![309th Aerospace Maintenance and Regeneration Group facility in Tucson, Arizona [Credit: Connor O'Shea]](https://www.flyingmag.com/wp-content/uploads/2026/02/FLY0226_2.2_Davis-Monthan-AFB.jpeg?w=780&h=470&crop=1)
Inside the U.S. Airpower Reserve
309th Aerospace Maintenance and Regeneration Group’s vital facility is far more than a ‘boneyard.’
Davis-Monthan Air Force Base
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USAF Special Ops Sends Last MC-130H to the ‘Boneyard’
The tanker used for special operations infiltration and resupply flew its last flight Sunday.
