U.S. Air Force Maj. Uyen Vietje, 633rd Medical Support Squadron laboratory medical director, examines a tissue sample at Langley Air Force Base, Va., Jan. 14, 2014. The histology section of the laboratory examines tissue samples of patients to make diagnoses based on what the tissues look like. Vietje hails from Boston, Mass. (U.S. Air Force photo by Senior Airman Brittany Paerschke-O’Brien/Released)
Senior Airman Brittany Paerschke-O'Brien
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