However, the Air Force Rescue Coordination Center (AFRCC) that had been previously located at McClellan Air Force Base, California and Scott Air Force Base, Illinois under MAC and at Langley Air Force Base, Virginia under ACC, was relocated to Tyndall Air Force Base, Florida under the control of 1st Air Force (1 AF), the USAF component command to U.S. Northern Command (USNORTHCOM) and ACC's numbered air force for the Air National Guard.