Medical lab techs
Tech. Sgt. Leyla Gillett checks units of blood for clots, leaks and broken segments during a daily inspection at Yokota Air Base, Japan, on Thursday, May 11, 2006. Sergeant Gillett is a medical laboratory technician with the 374th Medical Group. Her laboratory conducts more than 48,000 tests annually. (U.S. Air Force photo/Val Gempis)