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143-749: The International Space Station programme is tied together by a complex set of legal, political and financial agreements between the fifteen nations involved in the project, governing ownership of the various components, rights to crewing and utilisation, and responsibilities for crew rotation and resupply of the International Space Station . It was conceived in September 1993 by the United States and Russia after 1980s plans for separate American ( Freedom ) and Soviet ( Mir-2 ) space stations failed due to budgetary reasons. These agreements tie together
286-558: A Proton rocket on 20 November 1998. Zarya provided propulsion, attitude control , communications, and electrical power. Two weeks later on 4 December 1998, the American-made Unity was ferried aboard Space Shuttle Endeavour on STS-88 and joined with Zarya . Unity provided the connection between the Russian and US segments of the station and would provide ports to connect future modules and visiting spacecraft. While
429-742: A geocache aboard the ISS during his flight. This is currently the only non-terrestrial geocache in existence. At the same time, the Immortality Drive , an electronic record of eight digitised human DNA sequences , was placed aboard the ISS. Various crewed and uncrewed spacecraft have supported the station's activities. Flights to the ISS include 37 Space Shuttle, 90 Progress, 71 Soyuz, 5 ATV , 9 HTV , 2 Boeing Starliner , 45 SpaceX Dragon and 20 Cygnus missions. There are currently eight docking ports for visiting spacecraft, with four additional ports installed but not yet put into service: Forward ports are at
572-436: A preemptory norm ( jus cogens ) , such as permitting a war of aggression or crimes against humanity. A treaty is an official, express written agreement that states use to legally bind themselves. It is also the objective outcome of a ceremonial occasion that acknowledges the parties and their defined relationships. There is no prerequisite of academic accreditation or cross-professional contextual knowledge required to publish
715-616: A virtual reality exhibit called The Infinite featuring life aboard the ISS was announced. The International Space Station is a product of global collaboration, with its components manufactured across the world. The modules of the Russian Orbital Segment , including Zarya and Zvezda , were produced at the Khrunichev State Research and Production Space Center in Moscow. Zvezda was initially manufactured in 1985 as
858-407: A "manifest violation" is required such that it would be "objectively evident to any State dealing with the matter". A strong presumption exists internationally that a head of state has acted within his proper authority. It seems that no treaty has ever actually been invalidated on this provision. Consent is also invalid if it was given by a representative acting outside their restricted powers during
1001-475: A "shorter version" of MARS-500 may be carried out on the ISS. In 2009, noting the value of the partnership framework itself, Sergey Krasnov wrote, "When compared with partners acting separately, partners developing complementary abilities and resources could give us much more assurance of the success and safety of space exploration. The ISS is helping further advance near-Earth space exploration and realisation of prospective programmes of research and exploration of
1144-511: A binding international agreement on several grounds. For example, the Japan–Korea treaties of 1905, 1907, and 1910 were protested by several governments as having been essentially forced upon Korea by Japan; they were confirmed as "already null and void " in the 1965 Treaty on Basic Relations between Japan and the Republic of Korea . If an act or lack thereof is condemned under international law,
1287-499: A change is sufficient if unforeseen, if it undermined the "essential basis" of consent by a party if it radically transforms the extent of obligations between the parties, and if the obligations are still to be performed. A party cannot base this claim on change brought about by its own breach of the treaty. This claim also cannot be used to invalidate treaties that established or redrew political boundaries. Cartels ("Cartells", "Cartelle" or "Kartell-Konventionen" in other languages) were
1430-737: A component for the Mir-2 space station, which was never launched. Much of the US Orbital Segment , including the Destiny and Unity modules, the Integrated Truss Structure , and solar arrays , were built at NASA's Marshall Space Flight Center in Huntsville, Alabama and Michoud Assembly Facility in New Orleans . These components underwent final assembly and processing for launch at
1573-460: A dedicated NASA spacecraft. As the space race drew to a close in the early 1970s, the US and USSR began to contemplate a variety of potential collaborations in outer space. This culminated in the 1975 Apollo-Soyuz Test Project , the first docking of spacecraft from two different spacefaring nations. The ASTP was considered a success, and further joint missions were also contemplated. One such concept
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#17330942261941716-554: A dozen Japanese universities conducted experiments in diverse fields. Cultural activities are another major objective of the ISS programme. Tetsuo Tanaka, the director of JAXA's Space Environment and Utilization Center, has said: "There is something about space that touches even people who are not interested in science." Amateur Radio on the ISS (ARISS) is a volunteer programme that encourages students worldwide to pursue careers in science, technology, engineering, and mathematics, through amateur radio communications opportunities with
1859-453: A full-fledged European orbital outpost before the end of the century. Increasing costs threw these plans into doubt in the early 1990s. Congress was unwilling to provide enough money to build and operate Freedom , and demanded NASA increase international participation to defray the rising costs or they would cancel the entire project outright. Simultaneously, the USSR was conducting planning for
2002-404: A full-fledged European orbital outpost before the end of the century. Increasing costs threw these plans into doubt in the early 1990s. Congress was unwilling to provide enough money to build and operate Freedom , and demanded NASA increase international participation to defray the rising costs or they would cancel the entire project outright. Simultaneously, the USSR was conducting planning for
2145-695: A general dispute resolution mechanism, many treaties specify a process outside the convention for arbitrating disputes and alleged breaches. This may by a specially convened panel, by reference to an existing court or panel established for the purpose such as the International Court of Justice , the European Court of Justice or processes such as the Dispute Settlement Understanding of the World Trade Organization . Depending on
2288-462: A general framework for the development of binding greenhouse gas emission limits, followed by the Kyoto Protocol contained the specific provisions and regulations later agreed upon. Treaties may be seen as "self-executing", in that merely becoming a party puts the treaty and all its obligations in action. Other treaties may be non-self-executing and require "implementing legislation"—a change in
2431-535: A laboratory, observatory, and factory while providing transportation, maintenance, and a low Earth orbit staging base for possible future missions to the Moon, Mars, and asteroids. However, not all of the uses envisioned in the initial memorandum of understanding between NASA and Roscosmos have been realised. In the 2010 United States National Space Policy , the ISS was given additional roles of serving commercial, diplomatic, and educational purposes. The ISS provides
2574-615: A lengthy interplanetary cruise, such as the six-month interval required to travel to Mars . Medical studies are conducted aboard the ISS on behalf of the National Space Biomedical Research Institute (NSBRI). Prominent among these is the Advanced Diagnostic Ultrasound in Microgravity study in which astronauts perform ultrasound scans under the guidance of remote experts. The study considers
2717-430: A location in the relative safety of low Earth orbit to test spacecraft systems that will be required for long-duration missions to the Moon and Mars. This provides experience in operations, maintenance, and repair and replacement activities on-orbit. This will help develop essential skills in operating spacecraft farther from Earth, reduce mission risks, and advance the capabilities of interplanetary spacecraft. Referring to
2860-638: A new space station, which eventually became the International Space Station. They also agreed, in preparation for this new project, that the United States would be involved in the Mir programme, including American Shuttles docking, in the Shuttle– Mir programme . The legal structure that regulates the station is multi-layered. The primary layer establishing obligations and rights between the ISS partners
3003-489: A platform to conduct scientific research, with power, data, cooling, and crew available to support experiments. Small uncrewed spacecraft can also provide platforms for experiments, especially those involving zero gravity and exposure to space, but space stations offer a long-term environment where studies can be performed potentially for decades, combined with ready access by human researchers. The ISS simplifies individual experiments by allowing groups of experiments to share
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#17330942261943146-496: A previous treaty or international agreement. A protocol can amend the previous treaty or add additional provisions. Parties to the earlier agreement are not required to adopt the protocol, and this is sometimes made explicit, especially where many parties to the first agreement do not support the protocol. A notable example is the United Nations Framework Convention on Climate Change (UNFCCC), which established
3289-459: A result, the research done on the ISS is generally limited to experiments which do not require any specialized apparatus. For example, in the first half of 2007, ISS research dealt primarily with human biological responses to being in space, covering topics like kidney stones , circadian rhythm , and the effects of cosmic rays on the nervous system . Other critics have attacked the ISS on some technical design grounds: Critics also say that NASA
3432-461: A return to the Moon. According to the Outer Space Treaty , the parties are legally responsible for all spacecraft or modules they launch. An unmaintained station would pose an orbital and re-entry hazard. Russia has stated that it plans to pull out of the ISS program after 2025. However, Russian modules will provide orbital station-keeping until 2028. The US planned in 2009 to deorbit
3575-547: A series of education guides, students develop a deeper understanding of the past and near-term future of crewed space flight, as well as that of Earth and life. In the JAXA "Seeds in Space" experiments, the mutation effects of spaceflight on plant seeds aboard the ISS are explored by growing sunflower seeds that have flown on the ISS for about nine months. In the first phase of Kibō utilisation from 2008 to mid-2010, researchers from more than
3718-404: A single very long sentence formatted into multiple paragraphs for readability, in which each of the paragraphs begins with a gerund (desiring, recognizing, having, etc.). The High Contracting Parties—referred to as either the official title of the head of state (but not including the personal name), e.g. His Majesty The King of X or His Excellency The President of Y , or alternatively in
3861-464: A special kind of treaty within the international law of the 17th to 19th centuries. Their purpose was to regulate specific activities of common interest among contracting states that otherwise remained rivals in other areas. They were typically implemented on an administrative level . Similar to the cartels for duels and tournaments , these intergovernmental accords represented fairness agreements or gentlemen's agreements between states . In
4004-402: A term they generally dislike. As of June 2023, thirteen space tourists have visited the ISS; nine were transported to the ISS on Russian Soyuz spacecraft, and four were transported on American SpaceX Dragon 2 spacecraft. For one-tourist missions, when professional crews change over in numbers not divisible by the three seats in a Soyuz, and a short-stay crewmember is not sent, the spare seat
4147-507: A third set of arrays were delivered on STS-116 , STS-117 , and STS-118 . As a result of the major expansion of the station's power-generating capabilities, more modules could be accommodated, and the US Harmony module and Columbus European laboratory were added. These were soon followed by the first two components of the Japanese Kibō laboratory. In March 2009, STS-119 completed
4290-415: A tourist, and her performance in training had been "excellent." She did Russian and European studies involving medicine and microbiology during her 10-day stay. The 2009 documentary Space Tourists follows her journey to the station, where she fulfilled "an age-old dream of man: to leave our planet as a 'normal person' and travel into outer space." In 2008, spaceflight participant Richard Garriott placed
4433-464: A treaty requires implementing legislation, a state may default on its obligations due to its legislature failing to pass the necessary domestic laws. The language of treaties, like that of any law or contract, must be interpreted when the wording does not seem clear, or it is not immediately apparent how it should be applied in a perhaps unforeseen circumstance. The Vienna Convention states that treaties are to be interpreted "in good faith" according to
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4576-507: A treaty, the eschatocol (or closing protocol), is often signaled by language such as "in witness whereof" or "in faith whereof", followed by the words "DONE at", then the site(s) of the treaty's execution and the date(s) of its execution. The date is typically written in its most formal, non-numerical form; for example, the Charter of the United Nations reads "DONE at the city of San Francisco
4719-400: A treaty. However, since the late 19th century, most treaties have followed a fairly consistent format. A treaty typically begins with a preamble describing the "High Contracting Parties" and their shared objectives in executing the treaty, as well as summarizing any underlying events (such as the aftermath of a war in the case of a peace treaty ). Modern preambles are sometimes structured as
4862-432: A treaty. For example, within the United States, agreements between states are compacts and agreements between states and the federal government or between agencies of the government are memoranda of understanding . Another situation can occur when one party wishes to create an obligation under international law, but the other party does not. This factor has been at work with respect to discussions between North Korea and
5005-445: A wide range of free teaching materials that can be downloaded for use in classrooms. In one lesson, students can navigate a 3D model of the interior and exterior of the ISS, and face spontaneous challenges to solve in real time. The Japanese Aerospace Exploration Agency (JAXA) aims to inspire children to "pursue craftsmanship" and to heighten their "awareness of the importance of life and their responsibilities in society". Through
5148-418: Is a major contributor to society. Some advocates argue that apart from its scientific value, it is an important example of international cooperation. Others claim that the ISS is an asset that, if properly leveraged, could allow more economical crewed Lunar and Mars missions. International Space Station The International Space Station ( ISS ) is a large space station that was assembled and
5291-431: Is an important ISS research activity, with the objective of reaping economic benefits through the improvement of techniques used on Earth. Other areas of interest include the effect of low gravity on combustion, through the study of the efficiency of burning and control of emissions and pollutants. These findings may improve knowledge about energy production and lead to economic and environmental benefits. The ISS provides
5434-421: Is binding under international law. A treaty may also be known as an international agreement , protocol , covenant , convention , pact , or exchange of letters , among other terms. However, only documents that are legally binding on the parties are considered treaties under international law. Treaties vary in their obligations (the extent to which states are bound to the rules), precision (the extent to which
5577-489: Is highly resistant to environmental hazards , were found to survive for three years in outer space , based on studies conducted on the International Space Station. These findings supported the notion of panspermia , the hypothesis that life exists throughout the Universe , distributed in various ways, including space dust , meteoroids , asteroids , comets , planetoids or contaminated spacecraft . Remote sensing of
5720-521: Is intended to detect dark matter and answer other fundamental questions about our universe. According to NASA, the AMS is as important as the Hubble Space Telescope . Currently docked on station, it could not have been easily accommodated on a free flying satellite platform because of its power and bandwidth needs. On 3 April 2013, scientists reported that hints of dark matter may have been detected by
5863-498: Is likely to be a global effort." Currently, US federal legislation prevents NASA co-operation with China on space projects without approval by the FBI and Congress. The ISS crew provides opportunities for students on Earth by running student-developed experiments, making educational demonstrations, allowing for student participation in classroom versions of ISS experiments, and directly engaging students using radio, and email. ESA offers
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6006-456: Is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United States), Roscosmos (Russia), ESA (Europe), JAXA (Japan), and CSA (Canada). The ISS is the largest space station ever built. Its primary purpose is to perform microgravity and space environment experiments. Operationally, the station is divided into two sections: the Russian Orbital Segment (ROS) assembled by Roscosmos, and
6149-503: Is now a stepping stone on the way, rather than being the end of the line", Griffin said. Griffin has said that station crews will not only continue to learn how to live and work in space, but also will learn how to build hardware that can survive and function for the years required to make the round-trip voyage from Earth to Mars. Despite this view, however, in an internal e-mail leaked to the press on August 18, 2008 from Griffin to NASA managers, Griffin apparently communicated his belief that
6292-548: Is often casually credited with "spin-offs" (such as Velcro and portable computers) that were developed independently for other reasons. NASA maintains a list of spin-offs from the construction of the ISS, as well as from work performed on the ISS. In response to some of these criticisms, advocates of human space exploration say that criticism of the ISS programme is short-sighted, and that crewed space research and exploration have produced billions of dollars' worth of tangible benefits to people on Earth. Jerome Schnee estimated that
6435-509: Is sold by MirCorp through Space Adventures. Space tourism was halted in 2011 when the Space Shuttle was retired and the station's crew size was reduced to six, as the partners relied on Russian transport seats for access to the station. Soyuz flight schedules increased after 2013, allowing five Soyuz flights (15 seats) with only two expeditions (12 seats) required. The remaining seats were to be sold for around US$ 40 million each to members of
6578-610: Is the Space Station Intergovernmental Agreement (IGA), an international treaty signed on January 28, 1998 by fifteen governments involved in the space station project. The ISS consists of Canada, Japan, the Russian Federation, the United States, and eleven Member States of the European Space Agency (Belgium, Denmark, France, Germany, Italy, The Netherlands, Norway, Spain, Sweden, Switzerland and
6721-720: The Prichal module, docked in November 2021. As of November 2021, the station consists of 18 pressurised modules (including airlocks) and the Integrated Truss Structure. The ISS functions as a modular space station, enabling the addition or removal of modules from its structure for increased adaptability. International treaty A treaty is a formal, legally binding written agreement concluded by sovereign states in international law . International organizations can also be party to an international treaty. A treaty
6864-501: The Canadarm2 and Dextre , a joint Canadian-U.S. endeavor. All of these components were shipped to the SSPF for launch processing. The assembly of the International Space Station, a major endeavour in space architecture , began in November 1998. Modules in the Russian segment launched and docked autonomously, with the exception of Rassvet . Other modules and components were delivered by
7007-564: The Freedom space station in response to a NASA request in 1982. In early 1985, science ministers from the European Space Agency (ESA) countries approved the Columbus programme, the most ambitious effort in space undertaken by that organization at the time. The plan spearheaded by Germany and Italy included a module which would be attached to Freedom , and with the capability to evolve into
7150-402: The Freedom space station in response to a NASA request in 1982. In early 1985, science ministers from the European Space Agency (ESA) countries approved the Columbus programme, the most ambitious effort in space undertaken by that organization at the time. The plan spearheaded by Germany and Italy included a module which would be attached to Freedom , and with the capability to evolve into
7293-464: The International Court of Justice . This was done to prevent the practice of secret treaties , which proliferated in the 19th and 20th centuries and often precipitated or exacerbated conflict. Article 103 of the Charter also states that its members' obligations under the Charter outweigh any competing obligations under other treaties. After their adoption, treaties, as well as their amendments, must follow
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#17330942261947436-532: The MARS-500 experiment, a crew isolation experiment conducted on Earth, ESA states, "Whereas the ISS is essential for answering questions concerning the possible impact of weightlessness, radiation and other space-specific factors, aspects such as the effect of long-term isolation and confinement can be more appropriately addressed via ground-based simulations". Sergey Krasnov, the head of human space flight programmes for Russia's space agency, Roscosmos, in 2011 suggested
7579-508: The Mir-2 space station, and had begun constructing modules for the new station by the mid-1980s. However the collapse of the Soviet Union required these plans to be greatly downscaled, and soon Mir-2 was in danger of never being launched at all. With both space station projects in jeopardy, American and Russian officials met and proposed they be combined. The ISS was originally intended to be
7722-488: The Mir-2 space station, and had begun constructing modules for the new station by the mid-1980s. However the collapse of the Soviet Union required these plans to be greatly downscaled, and soon Mir-2 was in danger of never being launched at all. With both space station projects in jeopardy, American and Russian officials met and proposed they be combined. In September 1993, American Vice-President Al Gore and Russian Prime Minister Viktor Chernomyrdin announced plans for
7865-561: The Monitor of All-sky X-ray Image (MAXI) , and the Alpha Magnetic Spectrometer . Gravity at the altitude of the ISS is approximately 90% as strong as at Earth's surface, but objects in orbit are in a continuous state of freefall , resulting in an apparent state of weightlessness . This perceived weightlessness is disturbed by five effects: Researchers are investigating the effect of the station's near-weightless environment on
8008-902: The Operations and Checkout Building and the Space Station Processing Facility (SSPF) at the Kennedy Space Center in Florida. The US Orbital Segment also hosts the Columbus module contributed by the European Space Agency and built in Germany, the Kibō module contributed by Japan and built at the Tsukuba Space Center and the Institute of Space and Astronautical Science , along with
8151-543: The Russian Federal Space Agency . Due to national security concerns, the United States Congress passed a law prohibiting contact between US and Chinese space programmes. As of 2019, China is not involved in the International Space Station. In addition to national security concerns, United States objections include China's human rights record and issues surrounding technology transfer. The heads of both
8294-626: The Single Convention on Narcotic Drugs provides that the treaty will terminate if, as a result of denunciations, the number of parties falls below 40. Many treaties expressly forbid withdrawal. Article 56 of the Vienna Convention on the Law of Treaties provides that where a treaty is silent over whether or not it can be denounced there is a rebuttable presumption that it cannot be unilaterally denounced unless: The possibility of withdrawal depends on
8437-678: The Space Shuttle dock with a Salyut space station. In the early 1980s, NASA planned to launch a modular space station called Freedom as a counterpart to the Salyut and Mir space stations. In 1984 the ESA was invited to participate in Space Station Freedom , and the ESA approved the Columbus laboratory by 1987. The Japanese Experiment Module (JEM), or Kibō , was announced in 1985, as part of
8580-411: The Space Shuttle dock with a Salyut space station. In the early 1980s, NASA planned to launch a modular space station called Freedom as a counterpart to the Salyut and Mir space stations. In 1984 the ESA was invited to participate in Space Station Freedom , and the ESA approved the Columbus laboratory by 1987. The Japanese Experiment Module (JEM), or Kibō , was announced in 1985, as part of
8723-472: The Space Shuttle , which then had to be installed by astronauts either remotely using robotic arms or during spacewalks, more formally known as extra-vehicular activities (EVAs). By 5 June 2011 astronauts had made over 159 EVAs to add components to the station, totaling more than 1,000 hours in space. The foundation for the ISS was laid with the launch of the Russian-built Zarya module atop
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#17330942261948866-522: The US Orbital Segment (USOS), assembled by NASA, JAXA, ESA and CSA. A striking feature of the ISS is the Integrated Truss Structure , which connects the large solar panels and radiators to the pressurized modules. The pressurized modules are specialized for research, habitation, storage, spacecraft control, and airlock functions. Visiting spacecraft dock at the station via its eight docking and berthing ports . The ISS maintains an orbit with an average altitude of 400 kilometres (250 mi) and circles
9009-475: The United Nations , for which they often provide a governing framework. Treaties serve as primary sources of international law and have codified or established most international legal principles since the early 20th century. In contrast with other sources of international law, such as customary international law , treaties are only binding on the parties that have signed and ratified them. Notwithstanding
9152-400: The Vienna Convention on the Law of Treaties if the representative is the head of state, head of government or minister of foreign affairs , no special document is needed, as holding such high office is sufficient. The end of the preamble and the start of the actual agreement is often signaled by the words "have agreed as follows". After the preamble comes numbered articles, which contain
9295-598: The White House ) was firm that there would be no extension of the Space Shuttle retirement date, and thus no US capability to launch crews into orbit until the Orion spacecraft would become operational in 2020 as part of the Constellation programme . He did not see purchase of Russian launches for NASA crews as politically viable following the 2008 South Ossetia war , and hoped the incoming Barack Obama administration would resolve
9438-461: The early modern era . The early 19th century saw developments in diplomacy, foreign policy, and international law reflected by the widespread use of treaties. The 1969 Vienna Convention on the Law of Treaties codified these practices and established rules and guidelines for creating, amending, interpreting, and terminating treaties, and for resolving disputes and alleged breaches. Treaties are roughly analogous to contracts in that they establish
9581-404: The "ordinary meaning given to the terms of the treaty in their context and in the light of its object and purpose". International legal experts also often invoke the "principle of maximum effectiveness", which interprets treaty language as having the fullest force and effect possible to establish obligations between the parties. No one party to a treaty can impose its particular interpretation of
9724-779: The AMS. According to the scientists, "The first results from the space-borne Alpha Magnetic Spectrometer confirm an unexplained excess of high-energy positrons in Earth-bound cosmic rays". The space environment is hostile to life. Unprotected presence in space is characterised by an intense radiation field (consisting primarily of protons and other subatomic charged particles from the solar wind , in addition to cosmic rays ), high vacuum, extreme temperatures, and microgravity. Some simple forms of life called extremophiles , as well as small invertebrates called tardigrades can survive in this environment in an extremely dry state through desiccation . Medical research improves knowledge about
9867-556: The Earth in roughly 93 minutes, completing 15.5 orbits per day. The ISS programme combines two prior plans to construct crewed Earth-orbiting stations: Space Station Freedom planned by the United States, and the Mir-2 station, planned by the Soviet Union. The first ISS module was launched in 1998. Major modules have been launched by Proton and Soyuz rockets and by the Space Shuttle launch system. The first long-term residents, Expedition 1 , arrived on 2 November 2000. Since then,
10010-471: The Earth, astronomy, and deep space research on the ISS have significantly increased during the 2010s after the completion of the US Orbital Segment in 2011. Throughout the more than 20 years of the ISS program, researchers aboard the ISS and on the ground have examined aerosols , ozone , lightning , and oxides in Earth's atmosphere, as well as the Sun , cosmic rays, cosmic dust , antimatter , and dark matter in
10153-464: The ISS crew. ARISS is an international working group, consisting of delegations from nine countries including several in Europe, as well as Japan, Russia, Canada, and the United States. In areas where radio equipment cannot be used, speakerphones connect students to ground stations which then connect the calls to the space station. First Orbit is a 2011 feature-length documentary film about Vostok 1 ,
10296-473: The ISS in 2016. But on 30 September 2015, Boeing's contract with NASA as prime contractor for the ISS was extended to 30 September 2020. Part of Boeing's services under the contract related to extending the station's primary structural hardware past 2020 to the end of 2028. In July 2018, the Space Frontier Act of 2018 was intended to extend operations of the ISS to 2030. This bill was unanimously approved in
10439-570: The ISS programme in 2025. According to Russian authorities, the timeframe of the station's operations has expired and its condition leaves much to be desired. On 26 July 2022, Borisov, who had become head of Roscosmos, submitted to Putin his plans for withdrawal from the programme after 2024. However, Robyn Gatens, the NASA official in charge of space station operations, responded that NASA had not received any formal notices from Roscosmos concerning withdrawal plans. On 21 September 2022, Borisov stated that Russia
10582-711: The Integrated Truss Structure with the installation of the fourth and final set of solar arrays. The final section of Kibō was delivered in July 2009 on STS-127 , followed by the Russian Poisk module. The US Tranquility module was delivered in February 2010 during STS-130 , alongside the Cupola , followed by the penultimate Russian module, Rassvet , in May 2010. Rassvet was delivered by Space Shuttle Atlantis on STS-132 in exchange for
10725-482: The International Space Station past 2016. I strongly support these administration policies, as do OSTP and OMB. On October 15, 2008, President Bush signed the NASA Authorization Act of 2008, giving NASA funding for one additional mission to "deliver science experiments to the station". The Act allows for an additional Space Shuttle flight, STS-134 , to the ISS to install the Alpha Magnetic Spectrometer , which
10868-427: The Law of Treaties and customary international law , treaties are not required to follow any standard form. Nevertheless, all valid treaties must comply with the legal principle of pacta sunt servanda (Latin: "agreements must be kept"), under which parties are committed to perform their duties and honor their agreements in good faith . A treaty may also be invalidated, and thus rendered unenforceable, if it violates
11011-657: The Russian Proton delivery of the US-funded Zarya module in 1998. The last pressurised module of the USOS, Leonardo , was brought to the station in February 2011 on the final flight of Discovery , STS-133 . Russia's new primary research module Nauka docked in July 2021, along with the European Robotic Arm which can relocate itself to different parts of the Russian modules of the station. Russia's latest addition,
11154-476: The Russian State Archive. Nespoli is credited as the director of photography for this documentary film, as he recorded the majority of the footage himself during Expedition 26 / 27 . The film was streamed in a global YouTube premiere in 2011 under a free licence through the website firstorbit.org . In May 2013, commander Chris Hadfield shot a music video of David Bowie 's " Space Oddity " on board
11297-621: The Senate, but failed to pass in the U.S. House. In September 2018, the Leading Human Spaceflight Act was introduced with the intent to extend operations of the ISS to 2030, and was confirmed in December 2018. Congress later passed similar provisions in its CHIPS and Science Act , signed into law by U.S. President Joe Biden on 9 August 2022. China has reportedly expressed interest in the project, especially if it would be able to work with
11440-496: The Solar system, including the Moon and Mars." A crewed mission to Mars may be a multinational effort involving space agencies and countries outside the current ISS partnership. In 2010, ESA Director-General Jean-Jacques Dordain stated his agency was ready to propose to the other four partners that China, India, and South Korea be invited to join the ISS partnership. NASA chief Charles Bolden stated in February 2011, "Any mission to Mars
11583-476: The South Korean and Indian space agencies announced at the first plenary session of the 2009 International Astronautical Congress on 12 October that their nations intend to join the ISS programme. The talks began in 2010, and were not successful. The heads of agency also expressed support for extending ISS lifetime. European countries not a part of the International Space Station programme will be allowed access to
11726-466: The Space category, and the ISS programme was awarded the 2009 Collier Trophy . As the space race drew to a close in the early 1970s, the US and USSR began to contemplate a variety of potential collaborations in outer space. This culminated in the 1975 Apollo-Soyuz Test Project , the first docking of spacecraft from two different spacefaring nations. The ASTP was considered a success, and further joint missions were also contemplated. One such concept
11869-583: The Swiss ("on the one part") and the EU and its member states ("on the other part"). The treaty establishes rights and obligations between the Swiss and the EU and the member states severally—it does not establish any rights and obligations amongst the EU and its member states. A multilateral treaty is concluded among several countries, establishing rights and obligations between each party and every other party. Multilateral treaties may be regional or may involve states across
12012-563: The United Kingdom). Article 1 outlines its purpose: This Agreement is a long term international co-operative framework on the basis of genuine partnership, for the detailed design, development, operation, and utilization of a permanently inhabited civil Space Station for peaceful purposes, in accordance with international law. The IGA sets the stage for a second layer of agreements between the partners referred to as 'Memoranda of Understanding' (MOUs), of which four exist between NASA and each of
12155-520: The United States over security guarantees and nuclear proliferation . The definition of the English word "treaty" varies depending on the legal and political context; in some jurisdictions, such as the United States, a treaty is specifically an international agreement that has been ratified, and thus made binding, per the procedures established under domestic law. While the Vienna Convention provides
12298-689: The United States, cartels governed humanitarian actions typically carried out by cartel ships were dispatched for missions, such as to carry communications or prisoners between belligerents . From the European history, a broader range of purposes is known. These "cartels" often reflected the cohesion of authoritarian ruling classes against their own unruly citizens. Generally, the European governments concluded - while curbing their mutual rivalries partially - cooperation agreements, which should apply generally or only in case of war: The measures against criminals and unruly citizens were to be conducted regardless of
12441-417: The act will not assume international legality even if approved by internal law. This means that in case of a conflict with domestic law, international law will always prevail. A party's consent to a treaty is invalid if it had been given by an agent or body without power to do so under that state's domestic laws . States are reluctant to inquire into the internal affairs and processes of other states, and so
12584-488: The agreements to use the space station facilities are more complex. The station is composed of two sides: the Russian Orbital Segment (ROS) and U.S. Orbital Segment (USOS). Former NASA Administrator Michael D. Griffin says the International Space Station has a role to play as NASA moves forward with a new focus for the crewed space programme, which is to go out beyond Earth orbit for purposes of human exploration and scientific discovery. "The International Space Station
12727-535: The connection of two modules built on different continents, by nations that were once bitter rivals was a significant milestone, these two initial modules lacked life support systems and the ISS remained unmanned for the next two years. At the time, the Russian station Mir was still inhabited. The turning point arrived in July 2000 with the launch of the Zvezda module. Equipped with living quarters and life-support systems, Zvezda enabled continuous human presence aboard
12870-401: The contextual framework for my remarks, and my support for the administration's policies. Administration policy is to retire the shuttle in 2010 and purchase crew transport from Russia until Ares and Orion are available. The administration continues to support our request for an INKSNA exemption. Administration policy continues to be that we will take no action to preclude continued operation of
13013-477: The current US administration had made no viable plan for US crews to participate in the ISS beyond 2011, and that the Office of Management and Budget (OMB) and Office of Science and Technology Policy (OSTP) were actually seeking its demise. The e-mail appeared to suggest that Griffin believed the only reasonable solution was to extend the operation of the Space Shuttle beyond 2010, but noted that Executive Policy (i.e.
13156-465: The dates on which the respective parties ratified the treaty and on which it came into effect for each party. Bilateral treaties are concluded between two states or entities. It is possible for a bilateral treaty to have more than two parties; for example, each of the bilateral treaties between Switzerland and the European Union (EU) has seventeen parties: The parties are divided into two groups,
13299-461: The diagnosis and treatment of medical conditions in space. Usually, there is no physician on board the ISS and diagnosis of medical conditions is a challenge. It is anticipated that remotely guided ultrasound scans will have application on Earth in emergency and rural care situations where access to a trained physician is difficult. In August 2020, scientists reported that bacteria from Earth, particularly Deinococcus radiodurans bacteria, which
13442-418: The domestic law of a state party that will direct or enable it to fulfill treaty obligations. An example of a treaty requiring such legislation would be one mandating local prosecution by a party for particular crimes. The division between the two is often unclear and subject to disagreements within a government, since a non-self-executing treaty cannot be acted on without the proper change in domestic law; if
13585-405: The effects of long-term space exposure on the human body, including muscle atrophy , bone loss , and fluid shift. These data will be used to determine whether high duration human spaceflight and space colonisation are feasible. In 2006, data on bone loss and muscular atrophy suggested that there would be a significant risk of fractures and movement problems if astronauts landed on a planet after
13728-682: The evolution, development, growth and internal processes of plants and animals. In response to some of the data, NASA wants to investigate microgravity 's effects on the growth of three-dimensional, human-like tissues and the unusual protein crystals that can be formed in space. Investigating the physics of fluids in microgravity will provide better models of the behaviour of fluids. Because fluids can be almost completely combined in microgravity, physicists investigate fluids that do not mix well on Earth. Examining reactions that are slowed by low gravity and low temperatures will improve our understanding of superconductivity . The study of materials science
13871-431: The first crewed space flight around the Earth. By matching the orbit of the ISS to that of Vostok 1 as closely as possible, in terms of ground path and time of day, documentary filmmaker Christopher Riley and ESA astronaut Paolo Nespoli were able to film the view that Yuri Gagarin saw on his pioneering orbital space flight. This new footage was cut together with the original Vostok 1 mission audio recordings sourced from
14014-524: The five space agencies and their respective International Space Station programmes and govern how they interact with each other on a daily basis to maintain station operations, from traffic control of spacecraft to and from the station, to utilisation of space and crew time. In March 2010, the International Space Station Program Managers from each of the five partner agencies were presented with Aviation Week 's Laureate Award in
14157-407: The form of " Government of Z "—are enumerated, along with the full names and titles of their plenipotentiary representatives; a boilerplate clause describes how each party's representatives have communicated (or exchanged) their "full powers" (i.e., the official documents appointing them to act on behalf of their respective high contracting party) and found them in good or proper form. However, under
14300-431: The four other partners. There are no MOUs between ESA, Roskosmos, CSA and JAXA because NASA is the designated manager of the ISS. The MOUs are used to describe the roles and responsibilities of the partners in more detail. A third layer consists of bartered contractual agreements or the trading of the partners' rights and duties, including the 2005 commercial framework agreement between NASA and Roscosmos that sets forth
14443-451: The front of the station according to its normal direction of travel and orientation ( attitude ). Aft is at the rear of the station. Nadir is Earth facing, zenith faced away from Earth. Port is to the left if pointing one's feet towards the Earth and looking in the direction of travel and starboard is to the right. The components of the ISS are operated and monitored by their respective space agencies at mission control centres across
14586-567: The globe. The two primary control centres are: They are supported by several more specialized control centres: There is no fixed percentage of ownership for the whole space station. Rather, Article 5 of the IGA sets forth that each partner shall retain jurisdiction and control over the elements it registers and over personnel in or on the Space Station who are its nationals . Therefore, for each ISS module only one partner retains sole ownership. Still,
14729-468: The indirect economic return from spin-offs of human space exploration has been many times the initial public investment. A review of the claims by the Federation of American Scientists argued that NASA's rate of return from spin-offs is actually "astoundingly bad", except for aeronautics work that has led to aircraft sales. It is therefore debatable whether the ISS, as distinct from the wider space programme,
14872-477: The issue in 2009 by extending Space Shuttle operations beyond 2010. A solicitation issued by NASA JSC indicates NASA's intent to purchase from Roscosmos "a minimum of 3 Soyuz seats up to a maximum of 24 seats beginning in the Spring of 2012" to provide ISS crew transportation. On September 7, 2008, NASA released a statement regarding the leaked email, in which Griffin said: The leaked internal email fails to provide
15015-400: The legal obligation and its effects on the reserving state. These must be included at the time of signing or ratification, i.e., "a party cannot add a reservation after it has already joined a treaty". Article 19 of the Vienna Convention on the law of Treaties in 1969. Originally, international law was unaccepting of treaty reservations, rejecting them unless all parties to the treaty accepted
15158-404: The legal obligations of states, one party to the original treaty and one party to the amended treaty, the states will only be bound by the terms they both agreed upon. Treaties can also be amended informally by the treaty executive council when the changes are only procedural, technical change in customary international law can also amend a treaty, where state behavior evinces a new interpretation of
15301-434: The legal obligations under the treaty. Minor corrections to a treaty may be adopted by a procès-verbal ; but a procès-verbal is generally reserved for changes to rectify obvious errors in the text adopted, i.e., where the text adopted does not correctly reflect the intention of the parties adopting it. In international law and international relations, a protocol is generally a treaty or international agreement that supplements
15444-445: The meaning in context, these judicial bodies may review the preparatory work from the negotiation and drafting of the treaty as well as the final, signed treaty itself. One significant part of treaty-making is that signing a treaty implies a recognition that the other side is a sovereign state and that the agreement being considered is enforceable under international law. Hence, nations can be very careful about terming an agreement to be
15587-434: The nationality and origin of the relevant persons. If necessary, national borders could be crossed by police forces of the respective neighboring country for capture and arrest . In the course of the 19th century, the term "cartel" (or "Cartell") gradually disappeared for intergovernmental agreements under international law. Instead, the term "convention" was used. An otherwise valid and agreed upon treaty may be rejected as
15730-411: The negotiations, if the other parties to the treaty were notified of those restrictions prior to his or her signing. Articles 46–53 of the Vienna Convention on the Law of Treaties set out the only ways that treaties can be invalidated—considered unenforceable and void under international law. A treaty will be invalidated due to either the circumstances by which a state party joined the treaty or due to
15873-540: The official legal procedures of the United Nations, as applied by the Office of Legal Affairs , including signature, ratification and entry into force . In function and effectiveness, the UN has been compared to the United States federal government under the Articles of Confederation . Reservations are essentially caveats to a state's acceptance of a treaty. Reservations are unilateral statements purporting to exclude or to modify
16016-408: The option to accept those reservations, object to them, or object and oppose them. If the state accepts them (or fails to act at all), both the reserving state and the accepting state are relieved of the reserved legal obligation as concerns their legal obligations to each other (accepting the reservation does not change the accepting state's legal obligations as concerns other parties to the treaty). If
16159-412: The public who could pass a medical exam. ESA and NASA criticised private spaceflight at the beginning of the ISS, and NASA initially resisted training Dennis Tito , the first person to pay for his own passage to the ISS. Anousheh Ansari became the first self-funded woman to fly to the ISS as well as the first Iranian in space. Officials reported that her education and experience made her much more than
16302-409: The reserving state is a party to the treaty at all. There are three ways an existing treaty can be amended. First, a formal amendment requires State parties to the treaty to go through the ratification process all over again. The re- negotiation of treaty provisions can be long and protracted, and often some parties to the original treaty will not become parties to the amended treaty. When determining
16445-488: The rights and binding obligations of the parties. They vary significantly in form, substance, and complexity and govern a wide variety of matters, such as security, trade, environment, and human rights. Treaties may be bilateral (between two countries) or multilateral (involving more than two countries). They may also be used to establish international institutions, such as the International Criminal Court and
16588-412: The routinely scheduled launches of resupply craft allows new hardware to be launched with relative ease. Crews fly expeditions of several months' duration, providing approximately 160 person-hours per week of labour with a crew of six. However, a considerable amount of crew time is taken up by station maintenance. Perhaps the most notable ISS experiment is the Alpha Magnetic Spectrometer (AMS), which
16731-515: The rules are unambiguous), and delegation (the extent to which third parties have authority to interpret, apply and make rules). Treaties are among the earliest manifestations of international relations ; the first known example is a border agreement between the Sumerian city-states of Lagash and Umma around 3100 BC. International agreements were used in some form by most major civilizations, and became increasingly common and more sophisticated during
16874-420: The same launches and crew time. Research is conducted in a wide variety of fields, including astrobiology , astronomy , physical sciences , materials science , space weather , meteorology , and human research including space medicine and the life sciences . Scientists on Earth have timely access to the data and can suggest experimental modifications to the crew. If follow-on experiments are necessary,
17017-456: The same reservations. However, in the interest of encouraging the largest number of states to join treaties, a more permissive rule regarding reservations has emerged. While some treaties still expressly forbid any reservations, they are now generally permitted to the extent that they are not inconsistent with the goals and purposes of the treaty. When a state limits its treaty obligations through reservations, other states party to that treaty have
17160-410: The state opposes, the parts of the treaty affected by the reservation drop out completely and no longer create any legal obligations on the reserving and accepting state, again only as concerns each other. Finally, if the state objects and opposes, there are no legal obligations under that treaty between those two state parties whatsoever. The objecting and opposing state essentially refuses to acknowledge
17303-462: The station has been continuously occupied for 24 years and 28 days, the longest continuous human presence in space. As of March 2024 , 279 individuals from 22 countries have visited the space station. The ISS is expected to have additional modules (the Axiom Orbital Segment , for example) and will be in service until the end of 2030, after which it is planned to be de-orbited by
17446-602: The station in a three-year trial period, ESA officials say. The Indian Space Research Organisation has made it clear that it will not join the ISS and will instead build its own space station. The International Space Station has been the target of varied criticism over the years. Critics contend that the time and money spent on the ISS could be better spent on other projects —whether they be robotic spacecraft missions, space exploration , investigations of problems here on Earth, or just tax savings. Some critics, like Robert L. Park , argue that very little scientific research
17589-519: The station with Ku band communications, additional attitude control needed for the additional mass of the USOS, and additional solar arrays. Over the next two years, the station continued to expand. A Soyuz-U rocket delivered the Pirs docking compartment . The Space Shuttles Discovery , Atlantis , and Endeavour delivered the American Destiny laboratory and Quest airlock , in addition to
17732-539: The station's main robot arm, the Canadarm2 , and several more segments of the Integrated Truss Structure. Tragedy struck in 2003 with the loss of the Space Shuttle Columbia , which grounded the rest of the Shuttle fleet, halting construction of the ISS. Assembly resumed in 2006 with the arrival of STS-115 with Atlantis , which delivered the station's second set of solar arrays. Several more truss segments and
17875-456: The station, which was released on YouTube. It was the first music video filmed in space. In November 2017, while participating in Expedition 52 / 53 on the ISS, Paolo Nespoli made two recordings of his spoken voice (one in English and the other in his native Italian), for use on Misplaced Pages articles. These were the first content made in space specifically for Misplaced Pages. In November 2021,
18018-409: The station. The first crew, Expedition 1 , arrived that November aboard Soyuz TM-31 . The ISS grew steadily over the following years, with modules delivered by both Russian rockets and the Space Shuttle. Expedition 1 arrived midway between the Space Shuttle flights of missions STS-92 and STS-97 . These two flights each added segments of the station's Integrated Truss Structure , which provided
18161-416: The substance of the parties' actual agreement. Each article heading usually encompasses a paragraph. A long treaty may further group articles under chapter headings. Modern treaties, regardless of subject matter, usually contain articles governing where the final authentic copies of the treaty will be deposited and how any subsequent disputes as to their interpretation will be peacefully resolved. The end of
18304-560: The terms and conditions under which NASA purchases seats on Soyuz crew transporters and cargo capacity on uncrewed Progress transporters. A fourth legal layer of agreements implements and supplements the four MOUs further. Notably among them is the ISS code of conduct made in 2000, setting out criminal jurisdiction , anti-harassment and certain other behavior rules for ISS crewmembers. Travellers who pay for their own passage into space are termed spaceflight participants by Roscosmos and NASA, and are sometimes referred to as "space tourists",
18447-679: The terms of the treaty and its travaux preparatory. It has, for example, been held that it is not possible to withdraw from the International Covenant on Civil and Political Rights . When North Korea declared its intention to do this the Secretary-General of the United Nations, acting as registrar, said that original signatories of the ICCPR had not overlooked the possibility of explicitly providing for withdrawal, but rather had deliberately intended not to provide for it. Consequently, withdrawal
18590-439: The treaty is automatically terminated if certain defined conditions are met. Some treaties are intended by the parties to be only temporarily binding and are set to expire on a given date. Other treaties may self-terminate if the treaty is meant to exist only under certain conditions. A party may claim that a treaty should be terminated, even absent an express provision, if there has been a fundamental change in circumstances. Such
18733-593: The treaty itself. A treaty breach does not automatically suspend or terminate treaty relations, however. It depends on how the other parties regard the breach and how they resolve to respond to it. Sometimes treaties will provide for the seriousness of a breach to be determined by a tribunal or other independent arbiter. An advantage of such an arbiter is that it prevents a party from prematurely and perhaps wrongfully suspending or terminating its own obligations due to another's an alleged material breach. Treaties sometimes include provisions for self-termination, meaning that
18876-562: The treaty upon the other parties. Consent may be implied, however, if the other parties fail to explicitly disavow that initially unilateral interpretation, particularly if that state has acted upon its view of the treaty without complaint. Consent by all parties to the treaty to a particular interpretation has the legal effect of adding another clause to the treaty – this is commonly called an "authentic interpretation". International tribunals and arbiters are often called upon to resolve substantial disputes over treaty interpretations. To establish
19019-411: The treaty, such a process may result in financial penalties or other enforcement action. Treaties are not necessarily permanently binding upon the signatory parties. As obligations in international law are traditionally viewed as arising only from the consent of states, many treaties expressly allow a state to withdraw as long as it follows certain procedures of notification ("denunciation"). For example,
19162-447: The treaty. Multilateral treaties typically continue even after the withdrawal of one member, unless the terms of the treaty or mutual agreement causes its termination. If a party has materially violated or breached its treaty obligations, the other parties may invoke this breach as grounds for temporarily suspending their obligations to that party under the treaty. A material breach may also be invoked as grounds for permanently terminating
19305-456: The twenty-sixth day of June, one thousand nine hundred and forty-five". If applicable, a treaty will note that it is executed in multiple copies in different languages, with a stipulation that the versions in different languages are equally authentic. The signatures of the parties' representatives follow at the very end. When the text of a treaty is later reprinted, such as in a collection of treaties currently in effect, an editor will often append
19448-785: The universe. Examples of Earth-viewing remote sensing experiments that have flown on the ISS are the Orbiting Carbon Observatory 3 , ISS-RapidScat , ECOSTRESS , the Global Ecosystem Dynamics Investigation , and the Cloud Aerosol Transport System . ISS-based astronomy telescopes and experiments include SOLAR , the Neutron Star Interior Composition Explorer , the Calorimetric Electron Telescope ,
19591-569: The world. Treaties of "mutual guarantee" are international compacts, e.g., the Treaty of Locarno which guarantees each signatory against attack from another. The United Nations has extensive power to convene states to enact large-scale multilateral treaties and has experience doing so. Under the United Nations Charter , which is itself a treaty, treaties must be registered with the UN to be invoked before it, or enforced in its judiciary organ,
19734-479: Was "highly likely" to continue to participate in the ISS programme until 2028. Originally the ISS was planned to be a 15-year mission. Therefore, an end of mission had been worked on, but was several times postponed due to the success and support for the operation of the station. As a result, the oldest modules of the ISS have been in orbit for more than 20 years, with their reliability having decreased. It has been proposed to use funds instead elsewhere, for example for
19877-562: Was International Skylab, which proposed launching the backup Skylab B space station for a mission that would see multiple visits by both Apollo and Soyuz crew vehicles. More ambitious was the Skylab-Salyut Space Laboratory, which proposed docking the Skylab B to a Soviet Salyut space station. Falling budgets and rising Cold War tensions in the late 1970s saw these concepts fall by the wayside, along with another plan to have
20020-439: Was International Skylab, which proposed launching the backup Skylab B space station for a mission that would see multiple visits by both Apollo and Soyuz crew vehicles. More ambitious was the Skylab-Salyut Space Laboratory, which proposed docking the Skylab B to a Soviet Salyut space station. Falling budgets and rising Cold War tensions in the late 1970s saw these concepts fall by the wayside, along with another plan to have
20163-481: Was convincingly planned for the ISS in the first place. They also argue that the primary feature of a space-based laboratory is its microgravity environment , which can usually be studied more cheaply with a " vomit comet ". One of the most ambitious ISS modules to date, the Centrifuge Accommodations Module , has been cancelled due to the prohibitive costs NASA faces in simply completing the ISS. As
20306-434: Was not possible. In practice, states sometimes use their sovereignty to declare their withdrawal from and stop following the terms of a treaty even if this violates the terms of the treaty. Other parties may accept this outcome, may consider the state to be untrustworthy in future dealings, or may retaliate with sanctions or military action. Withdrawal by one party from a bilateral treaty is typically considered to terminate
20449-556: Was previously cancelled. President of the United States Barack Obama has supported the continued operation of the station, and supported the NASA Authorization Act of 2008. Obama's plan for space exploration includes finishing the station and completion of the US programmes related to the Orion spacecraft . On 12 April 2021, at a meeting with Russian President Vladimir Putin , then-Deputy Prime Minister Yury Borisov announced he had decided that Russia might withdraw from
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