Air Force Tech. Sgt. Laura Moseley performs an engine check on a C-5 Galaxy aircraft U.S. Air Force Tech. Sgt. Laura Moseley performs an engine check on a C-5 Galaxy aircraft at Joint Base Charleston, S.C., on July 22, 2013. Moseley is a C-5 Galaxy aircraft crew chief assigned to the 167th Maintenance Squadron, West Virginia Air National Guard. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 814411-C-WIL85-096.jpg Photo Gallery