U.S. Army Sgt. Caleb Summers, U.S. Army Medical Department Activity McDonald Army Health Center orthopedic technician, donates blood during an Armed Services Blood Program blood drive at McDonald Army Health Center, Joint Base Langley-Eustis, Va., Oct. 19, 2022. The ASBP is a joint operation among the four major armed service branches of the DoD providing quality blood products for service members, veterans, and their families during peace and war. (U.S. Air Force photo by Erik Siegel)