Staff Sgt. Christopher Arenas, a Long Beach, Calif., native and squad leader with 3rd Battalion, 8th Cavalry Regiment, 3rd Brigade Combat Team, 1st Cavalry Division, talks to a team member while in back of an M2A3 Bradley June 11 at Fort Hood, Texas....

Pfc. Shane Olson, a Wasilla, Alaska, native and M249 Squad Automatic Weapon gunner with 3rd Battalion, 8th Cavalry Regiment, 3rd Brigade Combat Team, 1st Cavalry Division, is on line with his team during an exercise June 11 at Fort Hood, Texas. Olson...

Sgt. Jay Thomas, a Jackson, Tenn., native and team leader with 3rd Battalion, 8th Cavalry Regiment, 3rd Brigade Combat Team, 1st Cavalry Division, yells to his team to get into position June 11 at Fort Hood, Texas. Thomas and his team used individual...

An infantry squad with 3rd Battalion, 8th Cavalry Regiment, 3rd Brigade Combat, Team, 1st Cavalry Division, run back toward their M2A3 Bradley after assaulting a bunker June 11 at Fort Hood, Texas. (U.S. Army photo by Spc. Brandon Banzhaf, 3rd BCT PA...

FORT HOOD, Texas - Infantrymen from 3rd Battalion, 8th Cavalry Regiment, 3rd Brigade Combat Team, 1st Cavalry Division, rehearsed dismounting and assaulting an objective June 11, while M2A3 Bradley crewmen completed Gunnery Table IX at Fort Hood, Texas.

Infantrymen used terrain and tactical vehicles to advance through simulated hostile forces and clear a bunker.