|Active 1953-1963||Country United States|
|Branch United States Air Force|
Type General Radar Surveillance
The 686th Aircraft Control and Warning Squadron is an inactive United States Air Force unit. It was last assigned to the Oklahoma City Air Defense Sector, Aerospace Defense Command, stationed at Walker Air Force Base, New Mexico. It was inactivated on 1 August 1963.
The unit was a General Surveillance Radar squadron providing for the air defense of the United States.