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International Docking System

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The International Docking System Standard ( IDSS ) is an international standard for spacecraft docking adapters . It was created by the International Space Station Multilateral Coordination Board , on behalf of the International Space Station partner organizations; NASA , Roscosmos , JAXA , ESA , and the Canadian Space Agency .

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37-405: International Docking System could mean: International Docking System Standard , international standard for spacecraft docking adapters . International Berthing and Docking Mechanism , European androgynous low impact docking mechanism . Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with

74-485: A Space Launch System (SLS) booster. The NASA had no human-qualified spacecraft available, and in any event SLS/Orion would be too expensive for routine flights to the ISS. In the meantime, NASA continued to send astronauts to the ISS on Soyuz spacecraft seats purchased from Russia. The price varied over time, with the batch of seats from 2016 to 2017 costing $ 70.7 million per passenger per flight. Artemis continued to slip, with

111-582: A Chinese crew capsule is possibly IDSS compatible. SpaceX designed and implemented an IDSS port for the Crew and Cargo Dragons . The ports implement the active role. The upcoming Gaganyaan spacecraft of ISRO is also planned to incorporate the IDSS, with ISRO developing a docking system that will be based on the IDSS called the Bhartiya Docking System. This space - or spaceflight -related article

148-473: A crewed certification flight, then up to six operational flights to the ISS. The first flight of the Commercial Crew Program was planned to occur in 2015, but insufficient funding caused delays. As the spacecraft entered the testing and production phase, technical issues also caused delays, especially the parachute system, propulsion, and the launch abort system of both capsules. In July 2018,

185-452: A diameter of 0.8 meters (31 in). The IDSS has a 2-phase docking procedure consisting of a soft capture and hard capture system. During a docking maneuver, one vehicle assumes the "active" role and the other vehicle assumes the "passive" role. A particular IDSS port can be manufactured to be able to act in the active role, the passive role, or either role. If a port (e.g., the ones on the ISS)

222-548: A draft request for proposals (RFP). The final RFP was released on February 7, 2012, with proposals due on March 23, 2012. The funded Space Act Agreements were awarded on August 3, 2012, and amended on August 15, 2013. The selected proposals were announced August 3, 2012: The first phase of the Certification Products Contract (CPC) involved the development of a certification plan with engineering standards, tests, and analyses. Winners of funding of phase 1 of

259-471: A test anomaly was reported in which there was a hypergolic propellant leak due to several faulty abort system valves. Consequentially, the first unpiloted orbital mission was delayed to April 2019, and the first crew launch rescheduled to August 2019. In March 2019, Reuters reported these test flights had been delayed by at least three months, and in April 2019 Boeing announced that the unpiloted orbital mission

296-724: Is NASA's implementation of the IDSS. The International Docking Adapter (IDA) converts older Russian APAS-95 docking systems to the International Docking System Standard. IDA implements the passive IDSS role. NASA set June 2016 as the starting date to construct 4 of the NASA Docking System units for the Commercial Crew Development program. Two International Docking Adapters were added to the International Space Station, and another

333-480: Is a stub . You can help Misplaced Pages by expanding it . Commercial Crew Development Development of the Commercial Crew Program (CCDev) began in the second round of the program, which was rescoped from a smaller technology development program for human spaceflight to a competitive development program that would produce the spacecraft to be used to provide crew transportation services to and from

370-435: Is achieved, the hard capture system (HCS) can begin final structural mating. It consists of 12 pairs of mechanical hooks on both the passive and active port. Guide pins are used to ensure accurate alignment of the docking rings to properly allow the hooks to engage. Once the hooks are fully driven, the docking ports' electrical connectors can begin transferring data and the docking procedure is complete. The NASA Docking System

407-591: Is contracted with NASA for fourteen operational flights total to the ISS. The 2019 Boeing Orbital Flight Test of the CST-100 Starliner spacecraft failed to reach the ISS in December 2019. The second test flight, Boeing Orbital Flight Test 2 , occurred successfully in May 2022. Pending completion of its demonstration flights, Boeing is contracted to supply six operational flights to the ISS. The first group of astronauts

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444-405: Is passive-only, then the other spacecraft must implement the active role. If a port is active-only (e.g., the ports on Crew Dragon and Cargo Dragon , and Starliner ), then the other spacecraft must implement the passive role. This means that spacecraft with active-only ports cannot dock with each other using these ports. The soft capture system (SCS) of the active docking system is extended while

481-595: Is required to successfully complete abort testing, an uncrewed orbital flight test, and a crewed orbital flight test to meet NASA's requirements for human-rating certification . The agency did allow the companies to propose how they would complete the required tests, with Boeing opting not to perform an in-flight abort test, which NASA approved. Crew Dragon completed its flight tests in mid-2020 and began operational flights in November 2020. NASA will decide after September 2024 if Boeing has met its certification requirements after

518-605: The International Space Station (ISS). To implement the program, NASA awarded a series of competitive fixed-price contracts to private vendors starting in 2011. Operational contracts to fly astronauts were awarded in September 2014 to SpaceX and Boeing , and NASA expected each company to complete development and achieve crew rating in 2017. Each company performed an uncrewed orbital test flight in 2019. SpaceX's Crew Dragon Demo-1 2019 flight of Dragon 2 arrived at

555-609: The White Sands Missile Range . Days before a planned launch, Boeing announced in June 2023 that it would delay the Crewed Flight Test indefinitely due to issues with the parachute system and wiring harnesses. The mission entails flying a crew of two NASA astronauts to the International Space Station for a one-week test flight. The Crewed Flight Test successfully launched on June 5, 2024. The Starliner spacecraft docked to

592-544: The CPC, announced on December 10, 2012, were: The Commercial Crew Transportation Capability (CCtCap) is the second phase of the CPC and included the final development, testing and verifications to allow crewed demonstration flights to the ISS. NASA issued the draft CCtCap contract's Request For Proposals (RFP) on July 19, 2013, with a response date of August 15, 2013. On September 16, 2014, NASA announced that Boeing and SpaceX had received contracts to provide crewed launch services to

629-517: The Commercial Crew Program was planned to occur in 2015, but insufficient funding caused delays. For the fiscal year (FY) 2011 budget, US$ 500 million was requested for the CCDev program, but Congress granted only $ 270 million. For the FY 2012 budget, $ 850 million was requested and $ 406 million approved. For the FY 2013 budget, 830 million was requested and $ 488 million approved. For the FY 2014 budget, $ 821 million

666-504: The ISS. Boeing could receive up to US$ 4.2 billion, while SpaceX could receive up to US$ 2.6 billion. Dragon was the less expensive proposal, but NASA's William H. Gerstenmaier considered the Boeing Starliner proposal the stronger of the two. In November 2019 NASA published a first cost per seat estimate: US$ 55 million for SpaceX's Dragon and US$ 90 million for Boeing's Starliner. Boeing was also granted an additional $ 287.2 million above

703-517: The International Space Station in March 2019 and returned via splashdown in the Atlantic Ocean. After completion of its test series, a Crew Dragon spacecraft made its first operational Commercial Crew Program flight, SpaceX Crew-1 . The flight launched on November 16, 2020. As of September 2023 SpaceX has completed seven successful CCP flights with another, SpaceX Crew-8 , currently in progress. It

740-602: The International Space Station the next day after troubleshooting issues with the thrusters on the vehicle. After more thruster testing, both in space and using another Starliner vehicle on Earth, NASA announced on August 24, 2024, that the two astronauts on the mission, Butch Wilmore and Suni Williams , will not return to earth on Starliner, but instead fly back on Crew Dragon with the SpaceX Crew-9 mission. The Starliner spacecraft will return to Earth autonomously, with no crew onboard, in September 2024. The first flight of

777-500: The Space Shuttle fleet's retirement. Funded proposals: Proposals selected without NASA funding: Proposals not selected: Commercial Crew integrated Capability (CCiCap) was originally called CCDev 3. For this phase of the program, NASA wanted proposals to be complete, end-to-end concepts of operation, including spacecraft, launch vehicles, launch services, ground and mission operations, and recovery. In September 2011, NASA released

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814-638: The decision to send the Starliner crew back home on SpaceX’s Crew Dragon. Key high-level requirements for the Commercial Crew vehicles include: After the retirement of STS in 2011 and the cancellation of the Constellation program , NASA had no domestic vehicles capable of launching astronauts to space. Artemis , NASA's next major human spaceflight initiative, was scheduled to launch an uncrewed qualification flight in 2016, with an Orion spacecraft atop

851-632: The development of a full certification plan. Finally CCtCap contracts were awarded for actual demonstration of crewed transportation services, which included development, testing, and production of the required hardware followed by operational flights to the ISS. Commercial Crew Development phase 1 (CCDev 1) consisted of $ 50 million awarded in 2010 to five US companies to develop human spaceflight concepts and technologies. NASA awarded development funds to five companies under CCDev 1: On April 18, 2011, NASA awarded nearly $ 270 million to four companies for developing U.S. vehicles that could fly astronauts after

888-545: The first splashdown in 45 years for NASA astronauts since the first Apollo–Soyuz U.S./U.S.S.R international space mission in July 1975, as well as the first splashdown of a crew spacecraft in the Gulf of Mexico. Shortly before the scheduled launch of the second orbital flight test in August 2021, routine pre-launch testing showed that thirteen valves in the propulsion system were inoperable and

925-704: The first uncrewed test flight scheduled for 2022. The CCDev program was initiated to develop safe and reliable commercial ISS crew launch capabilities to replace the Soyuz flights. CCDev followed Commercial Orbital Transportation Services (COTS), an ISS commercial cargo program. CCDev contracts were issued for fixed-price, pay-for-performance milestones. CCDev was implemented in several phases. CCDev 1 contracts were for development of concepts and technologies. CCDev 2 contracts were for actual vehicle designs. CCiCap contracts were for designs of complete end-to-end crew transportation hardware and services. CPC phase 1 contracts were for

962-504: The fixed price contract. Seats on Soyuz had an average cost of US$ 80 million. However, adjusting for the additional cargo carried by Boeing's Starliner inside its crew capsule, the adjusted cost per seat figure is approximately $ 70 million, which is still higher than SpaceX's Crew Dragon even if the Dragon does not carry the equivalent of a fifth passenger in cargo. Both the CST-100 Starliner and Crew Dragon were to fly an uncrewed flight, then

999-556: The launch was scrubbed. The problem required extensive analysis that was still ongoing in October 2021, and NASA and Boeing estimated that a new launch date would be scheduled in the first half of 2022. Boeing Starliner Spacecraft 2 launched as part of the Boeing Orbital Flight Test 2 , on May 19, 2022. It successfully docked on May 21, where it stayed for four days. On May 25, the spacecraft undocked and landed successfully in

1036-498: The passive system remains retracted. Each SCS includes 3 equally spaced petals around the docking ring. As the spacecraft approach each other, the petals on the SCS align the two docking rings and the two become mechanically latched. 6 servo-actuated legs then remove any relative motion and may begin to retract. The use of the SCS allows for 6 degrees of freedom, reducing the accuracy requirement of initial docking procedures. Once soft capture

1073-520: The per seat pricing as they believe the cost is lower than $ 90 million given its cargo capacity. Boeing's reasoning for the extra funding was due to a later start to its development than SpaceX with comparable deadlines. Boeing also stated it committed to the program. The funding of all commercial crew contractors for each phase of the CCP program is as follows—CCtCap values are maxima and include six post-development operational flights for each vendor. Each system

1110-470: The space station. The report also states that NASA agreed to pay an additional $ 287.2 million above Boeing's fixed prices to mitigate a perceived 18-month gap in ISS flights anticipated in 2019 and to ensure the contractor continued as a second commercial crew provider, without offering similar opportunities to SpaceX. On November 18, 2019, Boeing's Jim Chilton replied that the inspector general's report failed to list Starliner’s positive features and objected to

1147-443: The spacecraft reached orbit but was unable to dock with ISS due to a critical software error. Subsequent analysis revealed a second critical software error that could cause the service module to collide with the capsule after separation during the de-orbiting sequence. On May 30, 2020, two astronauts were launched to the ISS with a Crew Dragon as part of Crew Dragon Demo-2 . The end and safe landing of Demo-2 on August 2, 2020, marked

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1184-520: The title International Docking System . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=International_Docking_System&oldid=912148443 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages International Docking System Standard The IDSS

1221-402: Was announced on August 3, 2018. The first Starliner crewed flight test launched on June 5, 2024. Starliner successfully docked with the station on June 6, 2024, after suffering several helium leaks and thruster malfunctions. Due to these issues Starliner’s return to earth was delayed initially to June 26, 2024, then indefinitely. On August 24, 2024 NASA administrator Bill Nelson made

1258-643: Was destroyed on ascent. As of September 2023 these ports have been used during nineteen SpaceX Dragon 2 missions and one Boeing Starliner mission. Boeing Starliner uses the NASA Docking System version of IDSS, implementing the active role. The ESA's International Berthing and Docking Mechanism is their IDSS compatible docking system. Lunar Gateway will be assembled in lunar orbit from modules that connect to each other using IDSS ports. Visiting spacecraft (Orion, HLS, GLS) will connect to Gateway using IDSS ports. In March 2020, Space.com reported that

1295-585: Was originally formulated in 2010. The plan is for all cooperating agencies to make their future docking systems IDSS compatible. The IDSS docking mechanism can be androgynous, uses low impact technology, and allows both docking and berthing. It supports both autonomous and piloted docking and features pyrotechnics for contingency undocking. Once mated, the IDSS interface can transfer power, data, commands, air, communication, and in future implementations, will be able to transfer water, fuel, oxidizer and pressurant as well. The passage for crew and cargo transfer has

1332-507: Was requested and $ 696 million approved. In FY 2015, $ 848 million was requested and $ 805 million, or 95%, was approved. On November 14, 2019, NASA's inspector general published an auditing report listing per-seat prices of $ 90 million for Starliner and $ 55 million for Dragon Crew. With these, Boeing's price is higher than what NASA has paid the Russian space corporation, Roscosmos, for Soyuz spacecraft seats to fly US and partner-nation astronauts to

1369-488: Was scheduled for August 2019. On April 20, 2019, an issue arose during a static fire test of Crew Dragon. The accident destroyed the capsule which was planned to be used for the In-Flight Abort Test (IFAT). SpaceX confirmed that the capsule exploded. NASA stated that the explosion would delay the planned in-flight abort and crewed orbital tests. During the first orbital flight test of Starliner in December 2019,

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