The 552d Air Control Wing is an operational wing of the United States Air Force. It has been based at Tinker Air Force Base, Oklahoma since July 1976, operating the Boeing E-3 Sentry. It includes the 552d Operations Group, 552d Maintenance Group, 552d Training Group, and 552d Air Control Group. From 1955 through 1976, it was located at McClellan Air Force Base, California, where it operated the Lockheed EC-121 Warning Star aircraft providing radar coverage off the Pacific coast of the United States.