Four decades ago on a mid-winter morning at Larson Air Force Base in Washington state, a cold war routine was being played out by Strategic Air Command B-52D bombers and crews of the 768th Bombardment Squadron (Heavy). Crews were at the end of five days on ground alert, living together in the "mole hole," within sprinting distance of their aircraft. It was "changeover" morning, with fresh crews relieving those coming off alert.
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