Staff Sgt. Damien Sloan, 821st Contingency Response Squadron contingency response maintenance craftsman assigned to Travis Air Force Base, Calif., operates de-icing equipment on a C-5M Super Galaxy during cold weather aircraft maintenance procedures training at Joint Base Elmendorf-Richardson, Alaska, Nov. 20, 2019. The training prepared Airmen to operate in arctic environments. (U.S. Air Force photo by Senior Airman Jonathan Valdes Montijo)