Cpl. Freddy D. Calderon, an unmanned aircraft systems operators with Marine Unmanned Aerial Vehicle Squadron 4, 4th Marine Aircraft Wing, Marine Forces Reserve, sets the flight path for an RQ-7 Shadow to perform reconnaissance at Camp Wilson, Marine Air Ground Combat Center, 29 Palms, California, June 22, 2017 during Integrated Training Exercise 4-17. The Marines conducted reconnaissance missions in support of the 2nd Battalion, 25th Marine Regiment, 4th Marine Division, MARFORRES, final battalion exercise of ITX 4-17. (U.S. Marine Corps photo by Lance Cpl. Stanley Moy) - Cpl. Freddy D. Calderon, an unmanned aircraft systems operators with Marine Unmanned Aerial Vehicle Squadron 4, 4th Marine Aircraft Wing, Marine Forces Reserve, sets the flight path for an RQ-7 Shadow to perform reconnaissance at Camp Wilson, Marine Air Ground Combat Center, 29 Palms, California, June 22, 2017 during Integrated Training Exercise 4-17. The Marines conducted reconnaissance missions in support of the 2nd Battalion, 25th Marine Regiment, 4th Marine Division, MARFORRES, final battalion exercise of ITX 4-17. (U.S. Marine Corps photo by Lance Cpl. Stanley Moy)

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)

Lt. Gen. Rex C. McMillian, commander of Marine Forces Reserve, speaks to the Reserve Marines attending Integrated Training Exercise 4-16 at Marine Corps Air Ground Combat Center Twentynine Palms, California, June 19, 2016. Over the two-week period the Marines trained in combined-arms exercises to hone their skills as a Marine Air Ground Task Force, in order to prepare for worldwide deployment and augment the active component. - Lt. Gen. Rex C. McMillian, commander of Marine Forces Reserve, speaks to the Reserve Marines attending Integrated Training Exercise 4-16 at Marine Corps Air Ground Combat Center Twentynine Palms, California, June 19, 2016. Over the two-week period the Marines trained in combined-arms exercises to hone their skills as a Marine Air Ground Task Force, in order to prepare for worldwide deployment and augment the active component.