Rifle Scope Marine Corps Cpl. Frederick C. Bailey III looks through the scope of an M4 rifle at Fort Greely, Alaska, May 22, 2019, during Northern Edge, an exercise that prepares joint forces to respond to crises in the Indo-Pacific region. SHARE: Download: Full Size (1.72 MB) Tags: Marine Corps Credit: Marine Corps Staff Sgt. Gabriela Garcia VIRIN: 190522-M-SA716-1011C.JPG Photo Gallery