Compass Concentration A soldier tests the accuracy of a compass before participating in the land navigation portion of the Best Warrior Competition at Joint Base Elmendorf-Richardson, Alaska, May 3, 2016. Air Force photo by Justin Connaher SHARE IMAGE: Download Image: Full Size (0.98 MB) Photo By: Justin Connaher VIRIN: 160503-F-LX370-041C.JPG Photo Gallery