Zelzal ( Persian : زلزال-۱ , meaning "Earthquake") is a series of artillery rockets developed by Iran . The series consists of:
53-554: These rockets were developed by Hassan Tehrani Moghaddam following development the Shahab-1 and Shahab-2 . This article related to the Iranian armed forces is a stub . You can help Misplaced Pages by expanding it . This article relating to artillery is a stub . You can help Misplaced Pages by expanding it . Hassan Tehrani Moghaddam Hassan Tehrani Moghaddam ( Persian : حسن طهرانیمقدم ) (29 October 1959 – 12 November 2011)
106-461: A bay number (00 to 99), so office numbers range from 100 to 1099. These corridors radiate out from the central courtyard, with corridor 1 beginning with the Concourse's south end. Each numbered radial corridor intersects with the corresponding numbered group of offices. Corridor 5, for instance, divides the 500 series office block. There are a number of historical displays in the building, particularly in
159-577: A congressional hearing took place, organized by Representative Clifton Woodrum (D-VA), regarding proposals for new War Department buildings. Woodrum pressed Brigadier General Eugene Reybold , who represented the War Department at the hearing, for an "overall solution" to the department's "space problem", rather than building yet more temporary buildings. Reybold agreed to report back to Congress within five days. The War Department called upon its construction chief, General Brehon Somervell , to come up with
212-548: A continuous structure through all of the Pentagon's five floors, kept that section of the building from collapsing for 30 minutes—enough time for hundreds of people to crawl out to safety. The area struck by the plane also had blast-resistant windows—2 inches (5 cm) thick and 2,500 pounds (1,100 kg) each—that stayed intact during the crash and fire. It had fire doors that opened automatically and newly built exits that allowed people to get out. Contractors already involved with
265-735: A group of 20 demonstrators held a sit-in outside the Joint Chiefs of Staff's office, which lasted four days before they were arrested. In one of the better known incidents, on 21 October 1967, some 35,000 anti-war protesters organized by the National Mobilization Committee to End the War in Vietnam , gathered for a demonstration at the Defense Department (the " March on the Pentagon "). They were confronted by some 2,500 armed soldiers. During
318-445: A lagoon was also created beneath the Pentagon's river entrance. To minimize steel usage, concrete ramps were built rather than installing elevators. Indiana limestone was used for the building's façade. Architectural and structural design work for the Pentagon proceeded simultaneously with construction, with initial drawings provided in early October 1941, and most of the design work completed by 1 June 1942. At times
371-465: A landing dock was used until the late 1960s to ferry personnel between Bolling Air Force Base and the Pentagon. The main entrance for visitors is on the southeast side, as are the Pentagon Metro station and the bus station. There is also a concourse on the southeast side of the second floor of the building, which contains a mini-shopping mall. The south parking lot adjoins the southwest façade, and
424-634: A long-range missile program and designed a number of different missiles. His immediate goal was to develop a ballistic missile program with an operational range of more than 2,000 kilometers that could hugely threaten Israel. Mostafa Izadi, a commander in the Army of the Guardians of the Islamic Revolution and close friend of Moghaddam said, "Since 1984 [Moghaddam] pioneered the IRGC's ground to ground missile system ...
477-564: A plan. Government officials agreed that the War Department building, officially designated Federal Office Building No 1, should be constructed in Arlington County, Virginia , across the Potomac River from Washington, D.C. Requirements for the new building were that it be no more than four stories tall, and that it use a minimal amount of steel to reserve that resource for war needs. The requirements meant that, instead of rising vertically,
530-511: A total of 17.5 mi (28.2 km) of corridors, with a central five-acre (2.0 ha) pentagonal plaza. About 23,000 military and civilian employees work in the Pentagon, as well as about 3,000 non-defense support personnel. In 2001, the Pentagon was damaged during the September 11 attacks . Five Al-Qaeda hijackers flew American Airlines Flight 77 into the western side of the building, killing themselves and 184 other people, including 59 on
583-460: Is a medium-range ballistic missile with an operational range of 2,000 kilometers. It was tested between 1998 and 2003 and was added to Iran's military arsenal on 7 July 2003, with an official unveiling by Ayatollah Khamenei on 20 July of the same year. Moghaddam later improved the Shahab-3 and developed a new version of this missile called Ghadr-110 , which has a range of 1,800–2,000 kilometers and
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#1732844544311636-775: Is also known as the Ghadr-101. In 2008, Moghaddam developed and designed with the help of North Korea the first range of Iranian solid-fueled ballistic missiles known as the Sejjil . The Sejjil replaced the Shahab liquid-fueled ballistic missiles. According to US Pentagon sources, the missile profile of the Sejjil closely matches those of the Ashura (Ghadr-110) and Samen missiles. The Sejjil launch tests on 13 November 2008 displayed an operational range of 2,000–2,500 kilometers. Subsequent to this Moghaddam
689-867: Is regarded as the father of Iran's missile program. He was killed on 12 November 2011 in the Bid Kaneh explosion , at a military base belonging to the Islamic Revolutionary Guard Corps 25 miles west of Iran's capital, Tehran . Tehrani Moghaddam was born on 29 October 1959 in Tehran . In 1977, he graduated from high school. In 1979, he received a bachelor's in Mechanical Engineering from Sharif University of Technology. In 1981, he received his MSc degree in Aerospace Engineering from K.N. Toosi University of Technology . Moghaddam took part in
742-485: The Boeing 757 airliner into the western side of the Pentagon at 9:37 am EDT as part of the September 11 attacks . The impact of the plane severely damaged the outer ring of one wing of the building and caused its partial collapse. At the time of the attacks, the Pentagon was under renovation and many offices were unoccupied, resulting in fewer casualties. Due to the renovation work, only 800 people were there, as opposed to
795-569: The Iraq War by marching from the Lincoln Memorial to the Pentagon's north parking lot. On September 11, 2001 , coincidentally the 60th anniversary of the Pentagon’s start of construction, five al-Qaeda affiliated hijackers took control of American Airlines Flight 77 , en route from Washington Dulles International Airport to Los Angeles International Airport , and deliberately crashed
848-875: The Jefferson Memorial in Washington, and the National Naval Medical Center in Bethesda, Maryland , along with Wise Contracting Company, Inc. and Doyle and Russell, both from Virginia. In addition to the Hoover Airport site and other government-owned land, construction of the Pentagon required an additional 287 acres (1.16 km ), which were acquired at a cost of $ 2.2 million (equivalent to $ 35.2 million in 2023 ). The Hell's Bottom neighborhood, consisting of numerous pawnshops, factories, approximately 150 homes, and other buildings around Columbia Pike ,
901-581: The United States Department of Defense , in Arlington County, Virginia , across the Potomac River from Washington, D.C. The building was constructed on an accelerated schedule during World War II . As a symbol of the U.S. military , the phrase The Pentagon is often used as a metonym for the Department of Defense and its leadership. The building was designed by American architect George Bergstrom and built by contractor John McShain . Ground
954-566: The "A" and "E" rings. Subterranean floors in the Pentagon are lettered "B" for Basement and "M" for Mezzanine . The concourse is on the second floor at the Metro entrance. Above-ground floors are numbered 1 to 5. Room numbers are given as the floor, concentric ring, and office number (which is in turn the nearest corridor number followed by the bay number). Thus, office 2B315 is on the second floor, B ring, and nearest to corridor 3 (between corridors 2 and 3). One way to get to this office would be to go to
1007-539: The 1979 Iranian Revolution . In 1980, he joined the Islamic Revolutionary Guard Corps and was given special responsibility for information in the northern section of Army of the Guardians of the Islamic Revolution. He had important roles in the Iran–Iraq War as follows: After the Iran–Iraq War (1980–1988), as Iran had only non-native Scud missiles with an operational range limited to 300 kilometers, Moghaddam set up
1060-520: The Guardians of the Islamic Revolution stated that the explosion "had taken place in an missile arms depot when munitions were being moved". On the Iranian parliament's news website, icana.ir , Parviz Soroori, an Iranian MP, was quoted as saying, "No sabotage was involved in this incident. It has nothing to do with politics". However, Time magazine reported claims from a "western intelligence source" that Israeli intelligence agency Mossad had orchestrated
1113-574: The Heliport. On the north side of the building, the Mall Entrance, which also features a portico, leads out to a 600 ft-long (180 m) terrace that is used for ceremonies. The River Entrance, which features a portico projecting out twenty ft (6 m), is on the northeast side, overlooking the lagoon and facing Washington. A stepped terrace on the River Entrance leads down to the lagoon; and
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#17328445443111166-498: The Islamic Revolutionary Guard Corps were killed in the incident, including Tehrani Moghaddaam. Those who died are known as the "Shahidan Ghadir". After the explosion, initial reports indicated that it had happened at a CNG station, but this was later denied. Iranian officials said that the blast at the missile base was an accident, and ruled out any sabotage organized by the United States and its regional allies. The Army of
1219-561: The Joint Chiefs of Staff, and the four service branches each have their own ZIP Code. Until the Pentagon was built, the United States Department of War was headquartered in the Munitions Building , a temporary structure erected during World War I along Constitution Avenue on the National Mall . The War Department, which was a civilian agency created to administer the U.S. Army , was spread out in additional temporary buildings on
1272-736: The National Mall, as well as dozens of other buildings in Washington, D.C., Maryland and Virginia . In the late 1930s, during the Great Depression and federal construction program, a new War Department Building was constructed at 21st and C Streets in Foggy Bottom but, upon completion, the new building did not solve the department's space problem. It became the headquarters of the Department of State . When World War II broke out in Europe in 1939,
1325-452: The Pentagon are Pentagon City and Crystal City , extensive shopping, business, and high-density residential districts in Arlington . Arlington National Cemetery is to the north. The Pentagon is surrounded by the relatively complex Pentagon road network . The Pentagon has six Washington, D.C., ZIP Codes despite its location in Arlington County, Virginia . The U.S. Secretary of Defense,
1378-632: The Pentagon victims of the September 11 attacks was opened directly southwest of the Pentagon. The Pentagon building spans 28.7 acres (116,000 m ), and includes an additional 5.1 acres (21,000 m ) as a central courtyard. Starting with the north side and moving clockwise , its five façade entrances are the Mall Terrace, the River Terrace, the Concourse (or Metro Station), the South Parking, and
1431-460: The September 11 attacks, a memorial of 184 beams of light shone up from the center courtyard of the Pentagon, one light for each victim of the attack. In addition, an American flag is hung each year on the side of the Pentagon damaged in the attacks, and the side of the building is illuminated at night with blue lights. After the attacks, plans were developed for an outdoor memorial, with construction underway in 2006. This Pentagon Memorial consists of
1484-546: The War Department rapidly expanded to deal with current issues and in anticipation that the United States would be drawn into the conflict. Secretary of War Henry L. Stimson found the situation unacceptable, with the Munitions Building overcrowded and department offices spread out in additional sites. Stimson told U.S. President Franklin D. Roosevelt in May 1941 that the War Department needed additional space. On 17 July 1941,
1537-518: The airplane and 125 in the Pentagon. It was the first significant foreign attack on federal facilities in the capital area since the burning of Washington during the War of 1812 . Following the attacks, the western side of the building was repaired, with a small indoor memorial and chapel added at the point of impact. The coordinated attacks, which killed 2,977 people, were the deadliest terrorist attack in history . In 2009, an outdoor memorial dedicated to
1590-698: The building was occupied. On the building's main concourse is the Hall of Heroes, opened 1968 and dedicated to the more than 3,460 recipients of the Medal of Honor , the United States' highest military decoration. The three versions of the Medal of Honor – Army, Sea Service (for the Marine Corps , Navy , and Coast Guard ), and Air Force (for the Air Force and Space Force ) – are on display along with
1643-418: The building would be sprawling over a large area. Possible sites for the building included the Department of Agriculture 's Arlington Experimental Farm , adjacent to Arlington National Cemetery , and the obsolete Hoover Field site. The site first chosen was Arlington Farms , which had an asymmetric, roughly pentagonal shape, so the building was planned accordingly as an irregular pentagon. Concerned that
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1696-481: The construction work got ahead of the design, with materials used other than those specified in the plans. Pressure to speed up design and construction intensified after the attack on Pearl Harbor on 7 December 1941, with Somervell demanding that 1 million sq ft (9.3 ha) of space at the Pentagon be available for occupation by 1 April 1943. Chief architect Bergstrom resigned in April 1942 after he
1749-531: The deputy head of the Islamic Revolutionary Guard Corp, declared about his role: "Moghaddam was the main architect of the IRGC' missile power and the founder of the deterrent power of our country." The Bid Kaneh arsenal explosion was a very large explosion that occurred on 12 November 2011 at the Modarres missile garrison. Seventeen members of the Army of the Guardians of the Islamic Revolution and
1802-407: The design requirements, Somervell required that the structural design accommodate floor loads of up to 150 psi (1,000 kPa), in case the building became a records storage facility after the end of the war. A minimal amount of steel was used as it was in short supply. Instead, the Pentagon was built as a reinforced concrete structure, using 680,000 tons of sand dredged from the Potomac River ;
1855-431: The elevation variations, and cast-in-place piles were used to deal with the soil conditions. Construction of the Pentagon was completed in approximately 16 months at a total cost of $ 83 million (equivalent to $ 1.33 billion in 2023 ). The building's approximate height is 77 ft (23 m), and each of the five sides is 921 ft (281 m) in length. The building was built wedge by wedge; each wedge
1908-527: The explosion; other reports, which were also attributed to intelligence services in the West, likewise mentioned the involvement of Israel's intelligence services. An "official with close links to the Iranian Government" spoke to The Guardian anonymously and claimed that the blast was "part of the covert war against Iran, led by Israel". The Pentagon The Pentagon is the headquarters building of
1961-765: The facility before its dedication, he ordered removal of the "Whites Only" signs in segregated areas. When the Governor of Virginia protested, Roosevelt's administration responded that the Pentagon, although on Virginia land, was under federal jurisdiction. In addition, its military and civilian federal employees were going to comply with the President's policies. As a result, the Pentagon was the only building in Virginia where racial segregation laws were not enforced (these laws were not overturned until 1965). The side-by-side sets of restrooms still exist, but have been integrated in practice since
2014-524: The gunpowder age . On 28 July, Congress authorized funding for a new Department of War building in Arlington , which would house the entire department under one roof. President Roosevelt officially approved the Hoover Airport site on 2 September. While the project went through the approval process in late July 1941, Somervell selected the contractors, including John McShain, Inc. of Philadelphia , which had built Washington National Airport in Arlington,
2067-659: The names of recipients. The Hall is also used for promotions, retirements, and other ceremonies. From 1998 to 2011, the Pentagon was completely gutted and reconstructed in phases to bring it up to modern standards and improve security and efficiency. Asbestos was removed and all office windows were sealed. As originally built, most Pentagon office space consisted of open bays which spanned an entire ring. These offices used cross-ventilation from operable windows instead of air conditioning for cooling. Gradually, bays were subdivided into private offices with many using window air conditioning units . With renovations now complete,
2120-490: The new building could obstruct the view of Washington, D.C., from Arlington Cemetery, President Roosevelt selected the Hoover Airport site instead. The building retained the pentagonal layout because Roosevelt liked it and a major redesign at that stage would have been costly. Freed of the constraints of the Arlington Farms site, the building was modified as a regular pentagon . It resembled star forts constructed during
2173-471: The new space includes a return to open office bays, and a new Universal Space Plan of standardized office furniture and partitions. During the late 1960s, the Pentagon became a focal point for protests against the Vietnam War . A group of 2,500 women, organized by Women Strike for Peace , demonstrated outside Secretary of Defense Robert S. McNamara 's office at the Pentagon on 15 February 1967. In May 1967,
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2226-596: The protest, a famous picture was taken, where George Harris placed carnations into the soldiers' gun barrels. The march concluded with an attempt to "exorcise" the building. On 19 May 1972, the Weather Underground Organization bombed a fourth-floor women's restroom, in "retaliation" for the Nixon administration 's bombing of Hanoi in the final stages of the Vietnam War . On 17 March 2007, 4,000 to 15,000 people (estimates vary significantly) protested
2279-412: The renovation were given the added task of rebuilding the sections damaged in the attacks. This additional project was named the " Phoenix Project " and was charged with having the outermost offices of the damaged section occupied by 11 September 2002. When the damaged section of the Pentagon was repaired, a small indoor memorial and chapel were added at the point of impact. For the fifth anniversary of
2332-432: The second floor, get to the A (innermost) ring, go to and take corridor 3, and then turn left on ring B to get to bay 15. It is possible to walk between any two points in the Pentagon in less than ten minutes, though the optimal route may involve a brisk walk, routing through the open-air central courtyard, or both. The complex includes eating and exercise facilities as well as meditation and prayer rooms. Just south of
2385-505: The usual 4,500. Furthermore, the area hit, on the side of the Heliport façade, was the section best prepared for such an attack. The renovation there, improvements which resulted from the Oklahoma City bombing , had nearly been completed. It was the only area of the Pentagon with a sprinkler system, and it had been reconstructed with a web of steel columns and bars to withstand bomb blasts. The steel reinforcement, bolted together to form
2438-412: The west side of the Pentagon faces Washington Boulevard . The concentric rings are designated from the center out as "A" through "E" with additional "F" and "G" rings in the basement. "E" Ring offices are the only ones with outside views and are generally occupied by senior officials. Office numbers go clockwise around each of the rings, and have two parts: a nearest-corridor number (1 to 10), followed by
2491-704: The work which has so frightened the world's imperialist powers and the Zionist regime today." At first, Moghaddam designed missiles that were reverse-engineered from Russian made Scud missiles. He produced the Shahab-1 from the Scud-B , and then developed the Shahab-2 and the Zelzal missiles ( Zelzal-1 , Zelzal-2 , and Zelzal-3 ). In 1998, from the Scud-C he developed the Shahab-3 , which
2544-583: Was an Iranian military officer in the IRGC Aerospace Forces and designer of Iran's ballistic missile project. He was the chief of the Army of the Guardians of the Islamic Revolutionary Guard Corps. He founded Iran's long-range missile program and sought the expertise and blueprint designs from North Korea in order to help develop Iran's missile technology. He designed the Shahab, Ghadr and Sejjil missiles with an operational range of more than 1,000–2,000 kilometres to target Israel . For these reasons he
2597-692: Was broken on 11 September 1941, and the building was dedicated on 15 January 1943. General Brehon Somervell provided the major impetus to gain Congressional approval for the project; Colonel Leslie Groves was responsible for overseeing the project for the U.S. Army Corps of Engineers , which supervised it. The Pentagon is the world's second-largest office building , with about 6.5 million square feet (600,000 m ) of floor space, 3.7 million square feet (340,000 m ) of which are used as offices. It has five sides, five floors above ground, two basement levels, and five ring corridors per floor with
2650-557: Was charged with unrelated improper conduct as president of the American Institute of Architects . David J. Witmer replaced Bergstrom on 11 April. Construction was completed 15 January 1943. Soil conditions of the site – on the Potomac River floodplain – presented challenges, as did the varying elevations across the site, which ranged from ten to forty ft (3 to 12 m) above sea level. Two retaining walls were built to compensate for
2703-416: Was cleared to make way for the Pentagon. Later, 300 acres (1.2 km ) of land were transferred to Arlington National Cemetery and to Fort Myer , leaving 280 acres (1.1 km ) for the Pentagon. Contracts totaling $ 31,100,000 (equivalent to $ 497 million in 2023 ) were finalized with McShain and the other contractors on 11 September 1941, and ground was broken for the Pentagon the same day. Among
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#17328445443112756-433: Was occupied as soon as it was completed, even as construction continued on the remaining wedges. The Pentagon was designed in accordance with the racial segregation laws in force in the state of Virginia at the time, with separate eating and lavatory accommodations for white and black persons. While the sets of lavatories were side by side, the dining areas for blacks were located in the basement. When Roosevelt visited
2809-500: Was the chief designer of the Shahab, Ghadr, and Sejjil missiles. Saeed Qasemi, a commander in the Army of the Guardians of the Islamic Revolution, said that Iran owed its missile program to Moghaddam and stated: "A major part of [Iran's] progress in the field of missile capability was due to round-the-clock efforts by ... Moghaddam". Another commander has described Moghaddam as the founder of Iran's ballistic missile systems. Hossein Salami,
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