U.S. Marines Lance Cpl. Caleb J. Malone (left), combat engineer with Bridge Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, discards a piece of cut plywood as Lance Cpl. Matthew P. Winter (right), combat engineer with Engineer Company C, 6th ESB, 4th MLG, cuts plywood with a circular saw at a construction site during exercise Red Dagger at Fort Indiantown Gap, Pa., May 23, 2018. - U.S. Marines Lance Cpl. Caleb J. Malone (left), combat engineer with Bridge Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, discards a piece of cut plywood as Lance Cpl. Matthew P. Winter (right), combat engineer with Engineer Company C, 6th ESB, 4th MLG, cuts plywood with a circular saw at a construction site during exercise Red Dagger at Fort Indiantown Gap, Pa., May 23, 2018. Exercise Red Dagger is a bilateral training exercise that gives Marines an opportunity to exchange tactics, techniques and procedures as well as build working relationships with their British counterparts. (U.S. Marine Corps photo by Sgt. Melanie Wolf/Released)

Sgt. Nicholas A. Skaggs, a platoon sergeant with Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, provides security on a building during a simulated raid on an urban compound during exercise Red Dagger at Fort Indiantown Gap, Penn., June 13, 2016. Exercise Red Dagger is a bilateral training exercise that gives Marines an opportunity to exchange tactics, techniques and procedures as well as build working relationships with their British counterparts. - Sgt. Nicholas A. Skaggs, a platoon sergeant with Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, provides security on a building during a simulated raid on an urban compound during exercise Red Dagger at Fort Indiantown Gap, Penn., June 13, 2016. Exercise Red Dagger is a bilateral training exercise that gives Marines an opportunity to exchange tactics, techniques and procedures as well as build working relationships with their British counterparts.

Retired Col. James “Rip” Harper (second from left) and Brig. Gen. Patrick Hermesmann, commanding general of 4th Marine Logistics Group (third from left), observe the 6th Engineer Support Battalion’s battle color rededication ceremony in Portland, Ore., Nov. 15, 2014.The battalion celebrated the 70th anniversary of its formation with a rededication ceremony and paid homage to Harper, the battalion’s first adjutant. Harper served as the unit’s first adjutant as a first lieutenant in 1944, when the unit was formed in Guadalcanal during World War II. - Retired Col. James “Rip” Harper (second from left) and Brig. Gen. Patrick Hermesmann, commanding general of 4th Marine Logistics Group (third from left), observe the 6th Engineer Support Battalion’s battle color rededication ceremony in Portland, Ore., Nov. 15, 2014.The battalion celebrated the 70th anniversary of its formation with a rededication ceremony and paid homage to Harper, the battalion’s first adjutant. Harper served as the unit’s first adjutant as a first lieutenant in 1944, when the unit was formed in Guadalcanal during World War II.