The 309th Aerospace Maintenance and Regeneration Group (AMARG), often called The Boneyard, is a United States Air Force aircraft and missile storage and maintenance facility in Tucson, Arizona.

AMARG takes care of more than 4,400 aircraft, which makes it the largest aircraft storage and preservation facility in the world. AMARG was originally meant to store excess Department of Defense and Coast Guard aircraft, but has in recent years been designated the sole repository of out-of-service aircraft from all branches of the US government.

AMARG was established in 1946 as the 4105th Army Air Force Unit to house B-29 and C-47 aircraft. AMARG employs 550 people, almost all civilians. The 2,600 acres facility is adjacent to the base.

For every $1 the federal government spends operating the facility, it saves or produces $11 from harvesting spare parts and selling off inventory.

Top photo by Google Earth via Atlas Obscura.
All other photos by Wikimedia Commons.

Via Wikipedia.