Master Sgt. Norbert Feist, a 386th Expeditionary Aircraft Maintenance Squadron crew chief, poses for a photo alongside C-130H Hercules tail number 1004, Aug. 30, 2017, at an undisclosed location in Southwest Asia. Feist has been the dedicated crew chief for aircraft 1004 for 21 years. (U.S. Air Force photo/Master Sgt. Eric M. Sharman)