Davis–Monthan Air Force Base

Davis–Monthan Air Force Base is a United States Air Force base 5 miles south-southeast of downtown Tucson, Arizona. It was established in 1925 as Davis-Monthan Landing Field. The host unit for Davis–Monthan AFB is the 355th Wing assigned to Twelfth Air Force , part of Air Combat Command . The base is best known as the location of the Air Force Materiel Command's 309th Aerospace Maintenance and Regeneration Group , the aircraft boneyard for all excess military and U.S. government aircraft and aerospace vehicles.

Davis–Monthan Air Force Base is a key ACC installation. The 355th Wing provides A-10 Thunderbolt II close air support and OA-10 forward air controllers to ground forces worldwide. The 355 FW is also the host unit, providing medical, logistical, mission and operational support to all assigned units. The 355 FW is also the sole formal training unit for the A-10 aircraft, providing initial and recurrent training to all U.S. Air Force A-10 and OA-10 pilots, to include those in the Air Force Reserve Command and the Air National Guard . The 355th is also ACC's executive agent for INF and START treaty compliance.

Wikipedia