U.S. Army Staff Sgt. Princess Sandford, C Company, Landstuhl Regional Medical Center medical laboratory technician, collects samples from a blood donor during an Armed Services Blood Drive-Europe blood drive at the Kaiserslautern Military Community Center, Sept. 20, 2016. The ASBP-Europe team uses the collected blood samples to test donations for blood types, antibodies, diseases and other abnormalities to ensure a recipient of the donation receives the best possible match. (U.S. Air Force photo by Staff Sgt. Timothy Moore)