U.S. Air Force Staff Sgt Carl Schmidt and Airman 1st Class Ryan Hughes, 755th Aircraft Maintenance Squadron aerospace maintenance journeymen, perform a pre-flight inspection at Davis-Monthan Air Force Base, Ariz., June 12, 2013. The 755th AMXS plans and executes all on-equipment maintenance actions for 14 EC-130H and one TC-130H aircraft, including launch and recovery, scheduled inspections, servicing and component replacement.(U.S. Air Force photo by Airman 1st Class Josh Slavin/Released)