 The 22d received Boeing EC-135C aircraft to operate SAC's Western Auxiliary Command Post's airborne element for Fifteenth Air Force.The 22d continued to operate PACCS aircraft until 1 April 1970, when SAC reorganized its airborne command post aircraft and withdrew them from vulnerable bases near the coasts like Westover and assigned them to the 2d, 3d, and 4th Airborne Command and Control Squadrons, stationed at bases closer to the heartland of North America.It was deployed to Andersen AB, Guam whereupon it supported the Vietnam War until mid-1973.