The 13th Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with the Minot Air Defense Sector, stationed at Glasgow Air Force Base, Montana where it was inactivated on 30 June 1968. The squadron was first activated in January 1941 as the 13th Pursuit Squadron As the 13th Fighter Squadron it participated in the air defense of the Panama Canal from 1941 until 1943 when it returned to the United States and became a training unit until it was disbanded in 1944.