Tech. Sgt. Alisha Derrick, assigned to the 773rd Civil Engineer Squadron, transits a rope obstacle during the Prime Base Engineer Emergency Force program at Camp Mad Bull, Joint Base Elmendorf Richardson, Alaska, Aug. 4, 2021. Airmen worked in small teams on the multi-station obstacle course to prepare for situations they might encounter while in a deployed environment. (U.S. Air Force photo by Justin Connaher)
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