Lt. Col. David Fielder, commander, 299th Brigade Engineer Battalion, 1st Stryker Brigade Combat Team, 4th Infantry Division, leads his battalion during dry-fire rehearsals for the brigade level live-fire portion of Decisive Action Rotation 15-10 at the National Training Center in Fort Irwin, Calif., Sept. 24, 2015. The engineer battalion was responsible for clearing breaches for the maneuver elements.

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Keywords: 15-10, 1st, 4th, action, brigade, combat, decisive, division, infantry, ntc, rotation, stryker, team