Air Force Reserve Senior Master Sgt. Jason Buck, aerospace medicine superintendent, 913th Aerospace Medical Squadron, reviews medical history for Darren Mercer during the Individual Ready Reserve (IRR) Muster at Little Rock Air Force Base, Ark., May 5, 2017. Mercer, who was a staff sergeant with the 19th Civil Engineer Squadron before transferring to IRR status about a year and a half ago, has two years left in IRR status before his Military Service Obligation (MSO) expires. ( Air Force photo by Master Sgt. Jeff Walston/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 913, 913th, afb, afrc, ag, air, airlift, command, force, group, reserve, rock