Grissom Air Force Base, Building No. 747, Peru, Miami County, IN

Significance: Building 747 was used by the United States Air Force to support three major Cold War missions: the Strategic Air Command (SAC) ground alert, to act as a deterrent to Soviet attack; the Post Attack Command Control System (PACCS) mission, which supported the flying SAC command post in the event of a Soviet nuclear attack of the SAC ground base at Offutt AFB; and the National Emergency Airborne Command Post (NEACP) mission to shelter the President of the United States in case of nuclear attack. The building served as alert housing for pilots.
Survey number: HABS IN-301-B
Building/structure dates: 1960 Initial Construction
Building/structure dates: 1982 Subsequent Work
Building/structure dates: 1994 Subsequent Work