U.S. Air Force Tech. Sgt. Rigoberto Ayala, 51st Munitions Squadron armament backshop, gives a unit patch to Dave Giachetti and Craig Greene, House Armed Services Committee professional staff members, during a tour of Osan Air Base, Republic of Korea, Oct. 31, 2018. Ayala talked about the A-10 Thunderbolt II’s 35mm GAU 8 Avenger gatling-style autocannon with regard to maintenance and specific challenges for munitions troops. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton)

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Photo by: Staff Sgt. Benjamin Raughton |  VIRIN: 181031-F-GX249-0042.JPG