779th Medical Group medical laboratory technicians
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. The urinalysis test is used to detect and diagnose urinary tract infections. (U.S. Air Force photo/Airman 1st Class Erin O’Shea)

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