crew chiefs
Senior Airman Clinton Coykendall, 4th Special Operation Squadron special missions aviator, and Airman 1st Class Christopher Aubuchon, 1st Special Operations Aircraft Maintenance Squadron crew chief, go through an engine start check list on the flightline at Hurlburt Field, Fla., Feb. 7, 2014. Coykendall went through the engine start checklist to reduce the chances of an engine catching fire prior to launch. (U.S. Air Force photo/Senior Airman Krystal M. Garrett)