Pre-flight Checks Air Force Senior Airman Jadon Sylvester conducts preflight checks on a KC-10 Extender aircraft at Al Dhafra Air Base, United Arab Emirates, March 2, 2018. Sylvester is a flight engineer assigned to the 380th Air Expeditionary Wing. The KC-10 can refuel a variety of U.S. and allied military aircraft within the same mission. Air Force photo by Tech. Sgt. Anthony Nelson Jr. SHARE IMAGE: Download Image: Full Size (1.47 MB) Tags: training, Central Command, Centcom, Inherent Resolve, AIR FORCE, Airmen Photo By: Tech. Sgt. Anthony Nelson VIRIN: 180302-F-RE693-0096A.JPG Photo Gallery