Marines from the 2nd Battalion, 3rd Marine Regiment, based out of Marine Corps Base Hawaii Kaneohe Bay, go through a door breaching dry run at Schofield Barracks, Hawaii, on Aug. 30, 2017. <br /><br />Combat engineers from the 29th Brigade Engineer Battalion, 3rd Brigade Combat Team, 25th Infantry Division, trained with the Marines on door breaching techniques. (U.S. Army b-roll by Staff Sgt. Armando R. Limon, 3rd Brigade Combat Team, 25th, Infantry Division)
