U.S. Army Soldiers, assigned to Bravo Company, 1st Battalion, 4th Infantry Regiment, engage a target from a M113A2 armored vehicle during squad maneuver training at Grafenwoehr Training Area on Jan. 14, 2013. The Soldiers of 1-4 Infantry are U.S. Army Europe’s professional opposing force for training at the 7th Army Joint Multinational Readiness Center in Hohenfels, Germany. They routinely hone their skills at Grafenwoehr’s multi-functional live-fire facilities. U.S. Army photo by Staff Sergeant Pablo N. Piedra

U.S. Marines with the 3rd Battalion, 4th Marine Regiment participate in Integrated Training Exercise (ITX) 3-1 at Twentynine Palms Marine Corps Base, Calif., Jan. 22, 2013. The ITX provided predeployment training for Marines. (DoD photo by Staff Sgt. Stephany Richards, U.S. Air Force/Released)

U.S. Soldiers assigned to 3rd Brigade Combat Team, 1st Infantry Division, drive through the desert in M2 Bradley Infantry Fighting Vehicles during Decisive Action Rotation 13-03 at the National Training Center, Fort Irwin, Calif., Jan. 19, 2013. The Decisive Action Rotations were geared toward an adaptive enemy in a complex environment. (DoD photo by Sgt. Eric M. Garland II, U.S. Army/Released)

A U.S. Marine with Fox Company, 2nd Battalion, 7th Marine Regiment inspects a vehicle at Forward Operating Base Now Zad, Helmand province, Afghanistan, Dec. 17, 2012. (DoD photo by Cpl. Alejandro Pena, U.S. Marine Corps/Released)

U.S. Army Soldiers from 1st Battalion, 21st Infantry Regiment, 2nd Stryker Brigade Combat Team, 25 Infantry Division return off the firing range after completing an alternating movement while engaging targets at 200 to 1000 meters during a live fire training exercise Sept. 19, 2012, at Pohakuloa Training Area, on Hawaii. Soldiers from 1st Battalion, 21st Infantry Regiment, “Gimlets” 2nd Stryker Brigade Combat Team, 25 Infantry Division are conducting a month-long exercise at the Pohakuloa Training Area, on Hawaii which is focused on platoon level collective training with enabler integration. The training will culminate in a combined arms live fire exercise later this month. (Department of Defense photo by U.S. Air Force Tech. Sgt. Michael R. Holzworth/Released)

U.S. Army Spc. Warren Feeley, Alpha Company, 1st Battalion, 21st Infantry Regiment, 2nd Stryker Brigade Combat Team, 25 Infantry Division, looks through a fire control system inside a M1126 Infantry Carrier Vehicle (ICV)while engaging targets with .50-caliber Remote Weapons System Sept. 19, 2012, during a live fire training exercise at Pohakuloa Training Area(PTA), on Hawaii. Soldiers from 1st Battalion, 21st Infantry Regiment, 2nd Stryker Brigade Combat Team, 25 Infantry Division are conducting a month-long exercise at the PTA which is focused on platoon level collective training with enabler integration. The training will culminate in a combined arms live fire exercise later this month. (Department of Defense photo by U.S. Air Force Tech. Sgt. Michael R. Holzworth/Released)

U.S. Army Spc. Warren Feeley (center right), Alpha Company, 1st Battalion, 21st Infantry Regiment, 2nd Stryker Brigade Combat Team, 25 Infantry Division loads ammunition into the .50-caliber Remote Weapons System on a M1126 Infantry Carrier Vehicle (ICV) Sept. 19, 2012, prior to conducting a live fire training exercise at Pohakuloa Training Area, on Hawaii. Soldiers from 1st Battalion, 21st Infantry Regiment, 2nd Stryker Brigade Combat Team, 25 Infantry Division are conducting a month-long exercise at the Pohakuloa Training Area, on Hawaii which is focused on platoon level collective training with enabler integration. The training will culminate in a combined arms live fire exercise later this month. (Department of Defense photo by U.S. Air Force Tech. Sgt. Michael R. Holzworth/Released)

A Soldier backs an M2 Bradley fighting vehicle into a C-17 cargo bay guideded by Master Sgt. Krystopher Schwandt, loadmaster, for transport back to Fort Benning GA. Sept. 19, 2012. U.S. Air Force photo by Tech. Sgt. Michael OHalloran

Cpl. Bobby Liverman, an infantryman with Headquarters and Headquarters Company, 5th Battalion, 20th Infantry Regiment, clears an area during Operation Southern Strike III in the village of Jandad Kalay, district of Spin Boldak, Kandahar province, Afghanistan, Sept. 9, 2012. Liverman is from Jacksonville, N.C.