U.S. Marine Sgt. Travis J. Ganong, armorer with Inspector Instructor Staff, Engineer Support Company, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, punches the boar of the M16’s for an integrated platoon of Marines with 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, and commandos with 131 Commando Squadron Royal Engineers, British army, during exercise Red Dagger at Fort Indiantown Gap, Pa., May 14, 2018. - U.S. Marine Sgt. Travis J. Ganong, armorer with Inspector Instructor Staff, Engineer Support Company, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, punches the bore of the M16’s for an integrated platoon of Marines with 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, and commandos with 131 Commando Squadron Royal Engineers, British army, during exercise Red Dagger at Fort Indiantown Gap, Pa., May 14, 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)

U.S. Marine Cpl. Michael C. Thweatt, combat engineer with Bridge Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, practices using a nail gun at a construction site during exercise Red Dagger at Fort Indiantown Gap, Pa., May 19, 2018. - U.S. Marine Cpl. Michael C. Thweatt, combat engineer with Bridge Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, practices using a nail gun at a construction site during exercise Red Dagger at Fort Indiantown Gap, Pa., May 19, 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)

U.S. Marine Private First Class Cody A. Evans, combat engineer with Engineer Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, posts as a road guard during a five mile hike with Marines with 6th ESB, 4th MLG, and British commando’s with 131 Commando Squadron Royal Engineers, British Army, during exercise Red Dagger at Fort Indiantown Gap, Pa., May 17, 2018. - U.S. Marine Private First Class Cody A. Evans, combat engineer with Engineer Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, posts as a road guard during a five mile hike with Marines with 6th ESB, 4th MLG, and British commando’s with 131 Commando Squadron Royal Engineers, British Army, during exercise Red Dagger at Fort Indiantown Gap, Pa., May 17, 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)

U.S. Navy Petty Officer 1st Class Brandon D. Flake, hospital corpsman with Engineer Support Company, 6th Engineer Support Battalion, 4th Marine Logistics Group, poses for a photo during exercise Red Dagger at Fort Indiantown Gap, Pa., May 17, 2018. - U.S. Navy Petty Officer 1st Class Brandon D. Flake, hospital corpsman with Engineer Support Company, 6th Engineer Support Battalion, 4th Marine Logistics Group, poses for a photo during exercise Red Dagger at Fort Indiantown Gap, Pa., May 17, 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)

U.S. Marine Sgt. Derek R. Rush, marksmanship coach with Headquarters and Service Company, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, teaches how to properly break down a rifle during exercise Red Dagger at Fort Indiantown Gap, Pa., May 13, 2018. - U.S. Marine Sgt. Derek R. Rush, marksmanship coach with Headquarters and Service Company, 6th Engineer Support Battalion, 4th Marine Logistics Group, Marine Forces Reserve, teaches how to properly break down a rifle during exercise Red Dagger at Fort Indiantown Gap, Pa., May 13, 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)

Marines of 6th Engineer Support Battalion, 4th Marine Logistics Group, sailors from Navy Reserve Forces Command and villagers of Newtok, Alaska, watch as a young villager performs an agility challenge during a traditional native-Alaskan potluck upon the conclusion of the Innovative Readiness Training Mertarvik mission, July 28. More than 100 residents of Newtok made the nine-mile boat trip to Mertarvik with many native-Alaskan foods including several varieties of fresh and dried fish, dried seal meat, aged walrus meat, moose and several different kinds of pastries, to show their gratitude and bid farewell to the participating service members. IRT Mertarvik was a Marine-led, five-year, ongoing, joint-service, training opportunity for Reserve components of all branches of the U.S. military to hone their humanitarian skills, community relations and austere-condition operation capabilities, while supporting the relocation of a local Alaskan people of Newtok. (U.S. Marine Corps photo by Capt. Chad Hailey) - Marines of 6th Engineer Support Battalion, 4th Marine Logistics Group, sailors from Navy Reserve Forces Command and villagers of Newtok, Alaska, watch as a young villager performs an agility challenge during a traditional native-Alaskan potluck upon the conclusion of the Innovative Readiness Training Mertarvik mission, July 28. More than 100 residents of Newtok made the nine-mile boat trip to Mertarvik with many native-Alaskan foods including several varieties of fresh and dried fish, dried seal meat, aged walrus meat, moose and several different kinds of pastries, to show their gratitude and bid farewell to the participating service members. IRT Mertarvik was a Marine-led, five-year, ongoing, joint-service, training opportunity for Reserve components of all branches of the U.S. military to hone their humanitarian skills, community relations and austere-condition operation capabilities, while supporting the relocation of a local Alaskan people of Newtok. (U.S. Marine Corps photo by Capt. Chad Hailey)