TY - BOOK ED - United States. Strategic Air Command TI - Alert operations and the Strategic Air Command 1957-1991 SN - (pbk.) PY - 1991/// CY - Offutt Air Force Base, Neb. PB - Office of the Historian, SAC KW - STRATEGIC AIR COMMAND KW - COLD WAR N2 - Strategic Air Command was established to deter communist aggression, prevent nuclear warfare, and wage the Cold War. A history of the SAC, which entered the battle in March 1956 and had relied on the alert force as its primary tactic since October 1957 ER -