In order to make the aircraft safe to fly, Tech. Sgt. Salomon Gutierrez, 62nd Aircraft Maintenance Squadron noncommissioned officer in charge of Silver Flight, sprays deicing liquid onto a C-17 Globemaster III at Joint Base Lewis-McChord, Wash., Jan. 16, 2019. The deicing liquid prevents ice and snow from interfering with flight control surfaces such as the tail and wings. (U.S. Air Force photo by Senior Airman Tryphena Mayhugh)