Airmen assigned to the 732nd Air Mobility Squadron de-ice a C-17 Globemaster III out of Joint Base Lewis-McChord, Wa., while conducting flight operations at Joint Base Elmendorf-Richardson, Alaska, Jan. 25, 2018. During the harsh Alaskan winters, de-icing keeps aircraft operational by removing layers of snow, ice and frost that could adversely affect flights. (U.S. Air Force photo by Alejandro Peña)