Making Preparations Army Sgt. Robert Ramirez, a cannon crewmember assigned to 2nd Battalion, 77th Field Artillery Regiment, 4th Infantry Division Artillery, 4th Infantry Division, fuses a round in preparation for a live-fire exercise during Ivy Sting 4 at Fort Carson, Colo., Feb. 3, 2026. SHARE: Download: Full Size (7.16 MB) Tags: army, training, ivy sting 4, ivy sting Credit: Army Pfc. Thomas Nguyen VIRIN: 260203-A-NY427-1007.JPG Photo Gallery