Sgt. Caleb M. Krieg (left), a squad leader with Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, assists commandos with 131 Commando Squadron Royal Engineers, British army, as they survey a parking lot construction site during exercise Red Dagger at Fort Indiantown Gap, Penn., June 11, 2016. As part of the exercise, the Marines and British commandos worked on various renovation and construction projects around the Army base. 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. Ian Leones/Released) - Sgt. Caleb M. Krieg (left), a squad leader with Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, assists commandos with 131 Commando Squadron Royal Engineers, British army, as they survey a parking lot construction site during exercise Red Dagger at Fort Indiantown Gap, Penn., June 11, 2016. As part of the exercise, the Marines and British commandos worked on various renovation and construction projects around the Army base. 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. Ian Leones/Released)

Reserve Marines with 4th Law Enforcement Battalion, Force Headquarters Group, Marine Forces Reserve, practice striking while taking a class on crowd control during exercise Platinum Wolf 2016 at Peacekeeping Training Operations Center South Base in Bujanovac, Serbia, May 12, 2016. Platinum Wolf brings together service members from Bosnia, Bulgaria, Macedonia, Montenegro, Serbia, Slovenia, and the United States to train in peacekeeping operations and non-lethal weapons capabilities. (U.S. Marine Corps photo by Sgt. Sara Graham) - Reserve Marines with 4th Law Enforcement Battalion, Force Headquarters Group, Marine Forces Reserve, practice striking while taking a class on crowd control during exercise Platinum Wolf 2016 at Peacekeeping Training Operations Center South Base in Bujanovac, Serbia, May 12, 2016. Platinum Wolf brings together service members from Bosnia, Bulgaria, Macedonia, Montenegro, Serbia, Slovenia, and the United States to train in peacekeeping operations and non-lethal weapons capabilities. (U.S. Marine Corps photo by Sgt. Sara Graham)

CAMP WILLIAM HINDS, RAYMOND, Maine – Air Force Staff Sgt. Michelle Manuel, a structural specialist with 161st Air Refueling Wing, Arizona Air National Guard and native of Phoenix, Arizona, drives a stake into the ground with a sledge hammer in an attempt to level the support beams of a new pavilion being built on a firing range during the joint service Innovative Readiness Training on Camp William Hinds in Raymond, Maine, July 10, 2014. IRT Camp Hinds is a joint service initiative designed to provide service memebers with real-world training opportunities preparing them for their war-time missions while also supporting the needs of America’s underserved communities. (Photo by Sgt. Adwin Esters/Released 140710-M-JL916-069) - CAMP WILLIAM HINDS, RAYMOND, Maine – Air Force Staff Sgt. Michelle Manuel, a structural specialist with 161st Air Refueling Wing, Arizona Air National Guard and native of Phoenix, Arizona, drives a stake into the ground with a sledge hammer in an attempt to level the support beams of a new pavilion being built on a firing range during the joint service Innovative Readiness Training on Camp William Hinds in Raymond, Maine, July 10, 2014. IRT Camp Hinds is a joint service initiative designed to provide service memebers with real-world training opportunities preparing them for their war-time missions while also supporting the needs of America’s underserved communities. (Photo by Sgt. Adwin Esters/Released 140710-M-JL916-069)