Tag Archives: Mark 21

7 March 1986

An LGM-118 Peacekeeper intercontinental ballistic missile begins to emerge from an underground silo at Vandenberg Air Force Base on the central coast of California. (U.S. Air Force)
LGM-118 Peacekeeper launch. (U.S. Air Force)
A LGM-118 Peacekeeper intercontinental ballistic missile leaving an underground silo at Vandenberg Air Force Base on the coast of California. (U.S. Air Force 021126-O-9999G-011)
The cold launch system ejects Peacekeeper from its canister with high-pressure steam. (U.S. Air Force photo)
Shock-absorbing tiles, which help the missile exit its canister, fall away as Peacekeeper is launched. (U.S. Air Force photo)
LGM-118 first stage solid-fuel rocket engine firing as shock absorbing tiles continue to fall away. (U.S. Air Force)

7 March 1986: An LGM-118 Peacekeeper intercontinental ballistic missile was launched from Vandenberg Air Force Base, California, with eight unarmed Mark 21 multiple independently targetable re-entry vehicles (MIRVs).

U.S. Air Force maintenance crews use a overhead crane and hoist to remove and install W87-0 warhead/Mk-21 Reentry Vehicles from the nose section of an LGM-118 Peacekeeper missile during training at Vandenberg AFB, California. (U.S. Air Force 000701-F-2828D-003)
LANDSAT 7 image of Kwajelein Atoll in the Marshall Islands, 12:29:01 UTC, 7 July 2014. (NASA)
Mark 21 MIRV warheads arrive at Kwajelein Atoll, 7 March 1986. (Department of Defense)

This photograph shows what it looked like on the receiving end at Kwajelein Atoll, 4,100 miles (6,598 kilometers) away.

Under START II, multiple warhead missiles were deactivated. The last of the LGM-118 Peacekeeper was removed from service by 2005. Some of the boosters have been used for satellite launch vehicles.

© 2018, Bryan R. Swopes

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