JOINT BASE CHARLESTON, S.C –
March 20, 1959 - A site in Cheyenne Mountain, Colo., was approved as the location for NORAD.
March 21, 1997 - Lt. Col. Marcelyn Atwood became the first woman to command a flying training squadron and the first U.S. Air Force officer to command a Navy squadron at Pensacola, Fla. Her unit trained Air Force and Navy pilots.
March 22, 1950 - The only jet-powered U.S. Air Force flying wing, the YB-49, crashed at Edwards Air Force Base, Calif.
March 23 1978 - Capt. Sandra Scott, a KC-135 Stratotanker pilot, became the first woman tanker commander to perform alert duty for Strategic Air Command.
March 24, 1992 - The last U.S. Air Force fighter aircraft to be stationed in Spain departed, ending a 26-year span of service in that country.
March 25, 1986 - For the first time, an all-woman crew, assigned to the 351st Strategic Missile Wing, Whiteman AFB, Mo., stood Minuteman missile alert.
March 26, 1999 - An F-15 shot down two MiG-29s in aerial combat over Yugoslavia on the third day of Operation Allied Force.