Ve vont your blood
Tech. Sgt. Benjamin McReynolds, 28th Medical Support Squadron laboratory operations NCO in charge, transfers blood from its original tube to a small sample cup before putting it into a chemistry analyzer in the clinical laboratory on Ellsworth Air Force Base, S.D., July 27, 2012. The chemical analyzer examines blood samples for amounts of various biological chemicals such as cholesterol, electrolytes, calcium, etc. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)