Lab techs take a closer look
Staff Sgt. Michael Urena fills an empty vial with a semen sample July 12, 2012, Eielson Air Force Base, Alaska. The 354th Medical Laboratory is responsible for conducting semen analyses, a multi-stage fertility analysis that measures acidity, quantity, activity, and normality. Urena is a Medical Laboratory Technician assigned to the 354th Medical Support Squadron. (U.S. Air Force photo by Senior Airman Willard E. Grande II)