Citizen Airmen from the 55th Areoport Squadron guide a Humvee into place before it is backed into a C-17 Globemaster III prior to its take off from Travis Air Force Base, Calif., for Patriot Wyvern on Feb. 11, 2017. Patriot Wyvern is a hands-on, bi-annual event conducted by the 349th Air Mobility Wing designed to hone combat skills and improve organizational interoperability. (U.S. Air Force photo/Staff Sgt. Daniel Phelps)