Flying Galaxy Air Force Staff Sgt. Charles Palmer completes preflight checks on a C-17 Globemaster III aircraft before leaving Travis Air Force Base, Calif., to deliver Denton Program cargo to Guatemala, April 19, 2018. Palmer is a loadmaster assigned to the 21st Airlift Squadron. The Denton Program is a Defense Department transportation program that moves humanitarian cargo donated by U.S.-based nongovernmental organizations to developing nations to ease human suffering. Air Force photo by Master Sgt. Joey Swafford SHARE: Download: Full Size (2.27 MB) Tags: air force, northcom, northern command, airmen Credit: Master Sgt. Joseph Swafford VIRIN: 180419-F-QN515-0031A.JPG Photo Gallery