U.S. Army Sgt. Sonia Alcala 149th aviation regiment, petroleum and supply specialist, refuels a UH-60 helicopter during Operation Papercut on Joint Base San Antonio-Camp Bullis, Texas, March 1, 2014. Operation Papercut is a Texas Army National Guard deployment training exercise involving air assault training, medical air and ground evacuation and emergency medical treatment. (U.S. Air Force photo by Airman 1st Class David R. Cooper)
Airman 1st Class David Cooper
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