U.S. Air Force Staff Sgt. Raul Loyo, a laboratory technician with the 509th Medical Group, streaks a urine plate to determine if bacteria are growing in a urine sample at Whiteman Air Force Base, Mo., Feb. 20, 2013. (U.S. Air Force photo by Airman 1st Class Keenan Berry/Released)
Airman 1st Class Keenan Berry
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