Marines with 2nd Low Altitude Air Defense, Marine Air Control Group 28, 2nd Marine Aircraft Wing, hike after a machine gun range at Fort Greely, Alaska, Feb. 22, 2020, in preparation for exercise Arctic Edge 2020. Arctic Edge is the largest joint exercise scheduled in Alaska this year with approximately 1,000 U.S. military personnel participating in the multi-service exercise. (U.S. Marine Corps photo by Lance Cpl. Jose Gonzalez)