A C-17 Globemaster III from the 436th Airlift Squadron, Dover Air Force Base, Del., approaches a KC-10 Extender from the 305th Air Mobility Wing, Joint Base McGuire-Dix-Lakehurst, N.J., for an air refueling March 7, 2019, during Exercise Jersey Devil 19. Jersey Devil is a joint base exercise aimed at preparing Airmen to respond to complex threats posed by potential adversaries now and in the future. (U.S. Air Force photo by Airman 1st Class Zoe M. Wockenfuss)