Giving blood to save lives
Julie Nollsch, United Blood Services assistant donor care supervisor, inserts a needle into the arm of Staff Sgt. Steve Lee, 28th Operations Support Squadron intellegence plans and programs manager, to draw blood during a blood drive on Ellsworth Air Force Base, S.D., Sept. 16, 2011. United Blood Services uses special blood collection technology to customize the donation process for each donor. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)