Charleston AFB, SC - MSgt Darryl Brown, a reserve C-17 loadmaster with the 701st AS, 315th Airlift Wing, explains panel details to MSgt Joey Clark 81st APS. MSgt Clark is a former C-141 loadmaster who cross trained into the aerial port career field as the C-141s were phased out. (photo by Chief Master Sgt. Charlie Hall, USAFR)