Senior Airmen Kristopher Benfer and Fernando Cardenas, crew chiefs with the 1st Special Operations Aircraft Maintenance Squadron, start the auxiliary power unit on an AC-130U Spooky Gunship at Hurlburt Field, Fla., Dec. 15, 2015. Primary missions of the AC-130U are close air support, air interdiction and armed reconnaissance. ( Air Force photo by Senior Airman Meagan Schutter)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: 1, 4th, afsoc, amu, chiefs, crew, sow