Horizontal Integration Facility
From Wikipedia, the free encyclopedia
A horizontal integration facility (HIF) is a location within which the stages of a multistage rocket are brought together, before the assembled stack is rolled out to the launch pad or complex (LC) and raised into vertical position for launch.
HIF in the United States
|Cape Canaveral Air Force Station||SLC-37||Delta IV||A seven-story white building containing 2 bays measuring 250 feet (76 m) by 100 feet (30 m) each. Construction was completed in June 2000. Its floors are said to be the most level in the US varying only 3/8 inch across each bay. The first and second stages of the rocket, along with any boosters that are being used for that flight, are integrated in the HIF, and then the stack is moved to the pad and raised to vertical. The payload and fairing are assembled later.|||
|Cape Canaveral Air Force Station||SLC-40||Falcon 9||A HIF is being built by SpaceX. It will be on the south side of the pad and will measure 225 feet long by 75 feet wide and stand about 50 feet tall.|||
|Kwajalein Atoll||Omelek Island||Falcon 1||A HIF has been built by SpaceX.||Exterior Interior|||
|Vandenberg Air Force Base||LC-6||Delta IV||A "cavernous" HIF exists.||Exterior|||
|Wallops Flight Facility||Antares||||HIF built by Orbital Sciences. The HIF is 250 feet (76 m) long by 150 feet (46 m) wide by 60 feet (18 m) tall. It opened in 2011.|||
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