4/11/2013 - SPANGDAHLEM AIR BASE, Germany – U.S. Air Force Airmen sign in to donate blood at the Brick House April 10, 2013. According to an Armed Services Blood Program official, Spangdahlem Air Base has the most volunteers that donate blood than in all of U.S. Air Forces in Europe. (U.S. Air Force photo by Airman 1st Class Kyle Gese/Released)

4/11/2013 - SPANGDAHLEM AIR BASE, Germany – U.S. Air Force Airmen give blood for the Armed Services Blood Program at the Brick House April 10, 2013. Blood collected from drives like this remain in the European region or is sent to deployed locations. (U.S. Air Force photo by Airman 1st Class Kyle Gese/Released)

4/11/2013 - SPANGDAHLEM AIR BASE, Germany – U.S. Air Force Staff Sgt. Matthew Mulvihill, 52nd Equipment Maintenance Squadron unit deployment manager from Johnstown, Pa., donates blood to the Armed Services Blood Program (ASBP) at the Brick House April 10, 2013. The ASBP is based out of Landstuhl Regional Medical Center. (U.S. Air Force photo by Airman 1st Class Kyle Gese/Released)

4/11/2013 - SPNAGDAHLEM AIR BASE, Germany – U.S. Air Force Senior Airman Patrick Clark, 52nd Aircraft Maintenance Squadron crew chief from Lawton, Okla., donates blood at the Brick House April 10, 2013. Each unit of blood can help save up to three people’s lives according to the Armed Services Blood Program. (U.S. Air Force photo by Airman 1st Class Kyle Gese/Released)

4/11/2013 - SPANGDAHLEM AIR BASE, Germany – U.S. Army Sgt. Carlos Martinez, Landstuhl Regional Medical Center medical laboratory technician from San Diego, processes blood at the Brick House April 10, 2013. The Armed Services Blood Program provides quality blood to service members and families in times of peace and war. (U.S. Air Force photo by Airman 1st Class Kyle Gese/Released)