Marines with 7th Marine Regiment instruct veterans with the Desert Cities Mitchell Paige Medal of Honor Chapter, 1st Marine Division Association on the M16A4 service rifle, during an Alumni Day hosted by 7th Marine Regiment aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., March 28, 2018. The day was hosted to cultivate and strengthen relationships between active-duty Marines and those who served. (U.S. Marine Corps photo by Lance Cpl. Rachel K. Porter) - Marines with 7th Marine Regiment instruct veterans with the Desert Cities Mitchell Paige Medal of Honor Chapter, 1st Marine Division Association on the M16A4 service rifle, during an Alumni Day hosted by 7th Marine Regiment aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., March 28, 2018. The day was hosted to cultivate and strengthen relationships between active-duty Marines and those who served. (U.S. Marine Corps photo by Lance Cpl. Rachel K. Porter)

George Alberto Moran, Retired USMC, with the 3/11 Association checks out the M777A2 155mm Howitzer aboard the Marine Corps Air Ground Combat Center in Twentynine Palms, Calif. September 21, 2017. The 3/11 Association is a program that keeps veterans together and involved in the Marine Corps after their service. (U.S. Marine Corps photo by Lance Cpl. Christian Lopez) - George Alberto Moran, Retired USMC, with the 3/11 Association checks out the M777A2 155mm Howitzer aboard the Marine Corps Air Ground Combat Center in Twentynine Palms, Calif. September 21, 2017. The 3/11 Association is a program that keeps veterans together and involved in the Marine Corps after their service. (U.S. Marine Corps photo by Lance Cpl. Christian Lopez)

Curtis Mohn, son of Keith Mohn, Comprehensive Environmental Training and Education Program coordinator, Natural Resources Environmental Affairs, shakes the hand of Jessika Coons, 2nd vice president, Officers’ Spouses’ Club, after receiving his scholarship during the annual Scholarship and Grant Awards Reception at the home of Maj. Gen. Lewis A. Craparotta, Combat Center Commanding General, May 7, 2015. (Official Marine Corps photo by Lance Cpl. Medina Ayala-Lo/Released) - Curtis Mohn, son of Keith Mohn, Comprehensive Environmental Training and Education Program coordinator, Natural Resources Environmental Affairs, shakes the hand of Jessika Coons, 2nd vice president, Officers’ Spouses’ Club, after receiving his scholarship during the annual Scholarship and Grant Awards Reception at the home of Maj. Gen. Lewis A. Craparotta, Combat Center Commanding General, May 7, 2015. (Official Marine Corps photo by Lance Cpl. Medina Ayala-Lo/Released)