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The underground facilities consist of a three-level Launch Control Center, the eight level silo containing the missile and its related equipment, and the connecting structures of cableways (access tunnels), blast locks, and the access portal and equipment elevator. The complex was built of steel reinforced concrete with walls as much as 8-foot-thick in some areas, and a number of 3-ton blast doors sealed the various areas from the surface and each other. The top level of the silo permits viewing the silo missile doors. Level 3 houses a large diesel generator. Level 7 provides access to the lowest part of the launch duct. Visitors on the "Beyond the Blast Doors" tour are allowed to stand directly underneath the missile. Level 8, at 140 ft underground, houses the propellant pumps.

  • Warhead stage at top of missile in silo.
The silo became operational in 1963 and was deactivated in 1982 as part of President Reagan's policy (announced in 1981) of decommissioning the Titan II missiles as part of a weapon systems modernization program.