89th Airlift Wing Airmen and South Korean aircrew unload a Republic of Korea C-130 aircraft carrying protective masks at Joint Base Andrews, Md., May 12, 2020. The protective masks are being donated in honor of the 70th anniversary of the Korean War, which began on June 25, 1950 and ended on July 27, 1953. (U.S. Air Force photo by Airman 1st Class Spencer Slocum)