Airman 1st Class Jacob Hatcher, 779th Medical Group medical laboratory technician, performs an automated urinalysis test on Jan. 31, 2013, at Joint Base Andrews, Md. This test is used to detect and diagnose urinary tract infections. (U.S. Air Force photo/Airman 1st Class Erin O'Shea)
Airman 1st Class Erin O'Shea
Taken on 31 January 2013
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