1st Lt. Mason Limtiaco (left), a signal officer, and Staff Sgt. Christian Mercado, a signal operations support specialist, both assigned to 2nd Battalion, 77th Field Artillery Regiment, 4th Infantry Division Artillery, 4th Infantry Division, configure the Tactical Edge Computer (TEC) while supporting a live-fire exercise during Ivy Sting 4 on Fort Carson, Colorado, Feb. 3, 2026. (U.S. Army photo by Pfc. Thomas Nguyen)
A U.S. Soldier assigned to 4th Battalion, 27th Field Artillery Regiment, 2nd Armored Brigade Combat Team, 1st Armored Division looks at information on a laptop during Rotation 25-07 at the National Training Center, Fort Irwin, Calif., April 30, 2025. (U.S. Army photo by Spc. William Vu, Operations Group, National Training Center)