Arctic Eagle An Army National Guard CH-47 Chinook takes flight at Joint Base Elmendorf-Richardson, Alaska, Feb. 24, 2020, as part of Arctic Eagle, a homeland security and emergency response exercise in Alaska. SHARE: Download: Full Size (0.73 MB) Tags: Army, national guard Credit: Air Force Senior Airman Xavier Navarro VIRIN: 200224-F-LG053-0152M.JPG Photo Gallery