It was built in 1959 with LC-32 for the U.S. Air Force to conduct test launches of the first LGM-30 Minuteman missiles. LC-31 was built next to Navaho complex LC-9, requiring LC-10 to be demolished. These complexes were the first to feature dual launch pads, one of which was subterranean. LC-31 consisted of a blockhouse, static launch pad (31A) and missile silo (31B). The bee-hive-shaped blockhouse is 210 yards from the static pad and 330 yards from the silo.
The Air Force launched four Minuteman missiles from 31A; and 35 from the silo, 31B, between February 1, 1960 and September 23, 1969. Pad 31A was used later by the U.S. Army to test launch twelve Pershing 1a missiles.
Remains of Challenger lowered into silo at LC-31
The service tower has since been removed; the silo remains, and contains recovered debris from the Space Shuttle orbiter vehicle Challenger.[1][2]
2015 opening of the silo
In 2015, NASA opened the silo and removed several pieces of Challenger's debris, so they could be placed on permanent display at the Kennedy Space Center Visitor Complex.[3]
Vandenberg Air Force Base is a United States Air Force Base located 9.2 miles (14.8 km) northwest of Lompoc, California. The installation falls under the jurisdiction of the 30th Space Wing, Air Force Space Command (AFSPC).
The Martin Marietta SM-68A/HGM-25A Titan I was the United States' first multistage intercontinental ballistic missile (ICBM), in use from 1959 until 1962. Though the SM-68A was operational for only three years, it spawned numerous follow-on models that were a part of the US arsenal and space launch capability. The Titan I was unique among the Titan models in that it used liquid oxygen and RP-1 as propellants. All subsequent versions used storable propellants instead.
Cape Canaveral Air Force Station (CCAFS) is an installation of the United States Air Force Space Command's 45th Space Wing.
The PGM-19 Jupiter was the first nuclear tipped, medium-range ballistic missile (MRBM) of the United States Air Force (USAF). It was a liquid-propellant rocket using RP-1 fuel and LOX oxidizer, with a single Rocketdyne LR79-NA rocket engine producing 667 kN of thrust. It was armed with the 1.44 megaton W49 nuclear warhead. The prime contractor was the Chrysler Corporation.
Launch Complex 39 (LC-39) is a rocket launch site at the John F. Kennedy Space Center on Merritt Island in Florida, United States. The site and its collection of facilities were originally built for the Apollo program and later modified for the Space Shuttle program.
Cape CanaveralAir Force Station Launch Complex 34 (LC-34) is a launch site on Cape Canaveral, Florida. LC-34 and its companion LC-37 to the north were used by NASA from 1961 through 1968 to launch Saturn I and IB rockets as part of the Apollo program. It was the site of the Apollo 1 fire, which claimed the lives of astronauts Gus Grissom, Ed White, and Roger Chaffee on January 27, 1967.
Launch Complex 14 (LC-14) is a launch site at Cape Canaveral Air Force Station in Florida. LC-14 was used for various manned and unmanned Atlas launches, including the Friendship 7 flight aboard which John Glenn became the first American to orbit the Earth.
Launch Complex 5 (LC-5) was a launch site at Cape Canaveral Air Force Station, Florida used for various Redstone and Jupiter launches.
Launch Complex 26 (LC-26) is a deactivated launch site at Cape Canaveral Air Force Station, Florida. LC-26 consisted of two pads, A and B. Pad A was used for the Jupiter-C and Juno I rockets, and was the launch site for Explorer 1, the United States' first satellite, in 1958. Pad B was used for Juno II. Jupiter IRBMs were launched from both pads.
Launch Complex 6 (LC-6) at Cape Canaveral Air Force Station, Florida is a launch site used by Redstone and Jupiter series rockets and missiles. It is on the south end of Cape Canaveral, close to Launch Complex 5, with which it shared a blockhouse. With LC-5, it was the location of the first tests of the mobile launch concept designed by Kurt H. Debus. This concept was revised and improved and eventually used at LC-39 for the Saturn V and Space Shuttle.
Launch Complex 11 (LC-11) at Cape Canaveral Air Force Station, Florida, is a launch complex used by Atlas missiles between 1958 and 1964. It is the southernmost of the launch pads known as Missile Row. When it was built, it, along with complexes 12, 13 and 14, featured a more robust design than many contemporary pads, due to the greater power of the Atlas compared to other rockets of the time. It was larger, and featured a concrete launch pedestal that was 6 metres (20 ft) tall and a reinforced blockhouse. The rockets were delivered to the launch pad by a ramp on the southwest side of the launch pedestal.
Launch Complex 12 (LC-12) at Cape Canaveral Air Force Station, Florida was a launch pad used by Atlas rockets and missiles between 1958 and 1967. It was the second-most southern of the pads known as Missile Row, between LC-11 to the south and LC-13 to the north. Along with Complexes 11, 13 and 14, 12 featured a more robust design than many contemporary pads, due to the greater power of the Atlas compared to other rockets of the time. It was larger, and featured a concrete launch pedestal that was 6 metres (20 ft) tall and a reinforced blockhouse. The rockets were delivered to the launch pad by means of a ramp on the southwest side of the launch pedestal.
Launch Complex 13 (LC-13) was a launch complex at Cape Canaveral Air Force Station, the third-most southerly of the original launch complexes known as Missile Row, lying between LC-12 and LC-14. The LC-13 site is currently leased by SpaceX and has been renovated for use as Landing Zone 1 and Landing Zone 2, their east coast landing location for returning Falcon 9 and Falcon Heavy launch vehicle booster stages.
Launch Complex 16 (LC-16) at Cape Canaveral Air Force Station, Florida is a launch complex built for use by LGM-25 Titan missiles, and later used for NASA operations before being transferred back to the US military and used for tests of MGM-31 Pershing missiles. Six Titan I missiles were launched from the complex between December 1959 and May 1960. These were followed by seven Titan II missiles, starting with the type's maiden flight on March 16, 1962. The last Titan II launch from LC-16 was conducted on May 29, 1963.
Launch Complex 22 (LC-22) at Cape Canaveral Air Force Station, Florida is a launch complex that was used for horizontal launches of cruise missiles between 1957 and 1960. It consisted of two launch rails, from which XSM-73 Bull Goose and MGM-13 Mace missiles were tested. Unlike the other Mace launch site, Launch Complex 21, no concrete structure was built to enclose the launch rails when it was converted to launch the Mace in 1959. This earned the pad the nickname of "the softsite".
A missile launch facility, also known as an underground missile silo, launch facility (LF), or nuclear silo, is a vertical cylindrical structure constructed underground, for the storage and launching of intercontinental ballistic missiles (ICBMs).
Launch Complex 32 (LC-32) is a former launch complex at Cape Canaveral Air Force Station, Florida.
Launch Complex 25 (LC-25) was a four-pad launch site at Cape Canaveral Air Force Station, Florida built for test flights of the US Navy's submarine-launched ballistic missiles Polaris, Poseidon and Trident from 1958–1979.
The 6555th Aerospace Test Group is an inactive United States Air Force unit. It was last assigned to the Eastern Space and Missile Center and stationed at Patrick AFB, Florida. It was inactivated on 1 October 1990.
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