My last tour of duty in the United States Air Force, before I retired (1972) , was Base Sergeant Major (now Command Chief Master Sergeant) of Davis-Monthan AFB here in Tucson which includes the Aircraft "Boneyard". One of my responsibilities was maintenance of the "Boneyard" perimeter and so I am very familiar with its operation.
Here are three primary links relating to the Davis-Monthan AFB "Boneyard" including an overview, detailed history and available tours .....