Twilight Hike Army 1st Lt. Aaron Dominic participates in a twelve-mile ruck march during the 4th Infantry Division’s annual Best Ranger competition at Fort Carson, Colo., Dec. 14, 2022. SHARE: Download: Full Size (1.26 MB) Tags: Army Credit: Army Staff Sgt. Matthew Lumagui VIRIN: 221215-A-ED085-002A.JPG Photo Gallery