Army Sgt. Judd Gallaher, left, presents a safety brief and familiarization training on the M1150 Assault Breacher Vehicle before conducting a live-fire M58 mine clearing line charge range at the Orchard Combat Training Center, Boise, Idaho, June 13, 2018. Gallaher is assigned to the Idaho Army National Guard's 116th Engineer Battalion. The soldiers are assigned to the Army National Guard's 116th Brigade Engineer Battalion and the Army Reserve's 321st Engineer Battalion. Army photo by Spc. Jonnie Riley