U.S. Air Force Airmen walk off an C-17 Globemaster III, assigned to the 172d Airlift Wing, in preparation of Operation Foremost Endeavor at Nellis Air Force Base, Nev., Feb. 22, 2019. The 172d AW mission is to constantly improve their combat capability to defend the U.S. and support the state of Mississippi. (U.S. Air Force photo by Airman 1st Class Bryan Guthrie)