Lt. Col. Erick T. Clark, off-going commanding officer, 1st Battalion, 7th Marine Regiment, sits at the change of command ceremony for 1/7 aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 4, 2018. 7th Marines where he relinquishes his command aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 4, 2018. The change of command ceremony ensures that the unit and its Marines are never without official leadership, and also signifies an allegiance of Marines to their unit’s commander. (U.S. Marine Corps photo by Lance Cpl. Rachel K. Porter) - Lt. Col. Erick T. Clark, off-going commanding officer, 1st Battalion, 7th Marine Regiment, sits at the change of command ceremony for 1/7 aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 4, 2018. 7th Marines where he relinquishes his command aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 4, 2018. The change of command ceremony ensures that the unit and its Marines are never without official leadership, and also signifies an allegiance of Marines to their unit’s commander. (U.S. Marine Corps photo by Lance Cpl. Rachel K. Porter)

Shooters send rounds down range during a sniper training course hosted by the Marksmanship Training Unit aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., April 25, 2018. The sniper course was held to advance participants’ skills in marksmanship techniques for combat scenarios. (U.S. Marine Corps photo by Lance Cpl. Trevor Terry) - Shooters send rounds down range during a sniper training course hosted by the Marksmanship Training Unit aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., April 25, 2018. The sniper course was held to advance participants’ skills in marksmanship techniques for combat scenarios. (U.S. Marine Corps photo by Lance Cpl. Trevor Terry)

Children of Marines and sailors with 1st Battalion, 7th Marine Regiment, line up to begin an Easter egg hunt during a spring family day at Victory Field aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., March 24, 2018. The unit family readiness officer hosts events like spring family day to enhance camaraderie, bring spouses together to form positive relationships and create activities for the children. (U.S. Marine Corps photo by Lance Cpl. Margaret Gale) - Children of Marines and sailors with 1st Battalion, 7th Marine Regiment, line up to begin an Easter egg hunt during a spring family day at Victory Field aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., March 24, 2018. The unit family readiness officer hosts events like spring family day to enhance camaraderie, bring spouses together to form positive relationships and create activities for the children. (U.S. Marine Corps photo by Lance Cpl. Margaret Gale)

Cpl. Larry Hastings, team leader, 1st Battalion, 7th Marine Regiment, plays on a bungee run game during the battalion’s family day at Del Valle Field aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 15, 2016. (Official Marine Corps photo by Cpl. Thomas Mudd/Released) - Cpl. Larry Hastings, team leader, 1st Battalion, 7th Marine Regiment, plays on a bungee run game during the battalion’s family day at Del Valle Field aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 15, 2016. (Official Marine Corps photo by Cpl. Thomas Mudd/Released)

A tactical controller with Tactical Training Exercise Control Group observes as Marines with 1st Battalion, 7th Marine Regiment, fire at a target at Range 400 aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., during 1/7’s night-time combined arms live-fire exercise Nov. 16, 2016. (Official Marine Corps photo by Cpl. Julio McGraw/Released) - A tactical controller with Tactical Training Exercise Control Group observes as Marines with 1st Battalion, 7th Marine Regiment, fire at a target at Range 400 aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., during 1/7’s night-time combined arms live-fire exercise Nov. 16, 2016. (Official Marine Corps photo by Cpl. Julio McGraw/Released)

Cpl. Mark Noel, infantry rifleman, 1st Battalion, 7th Marine Regiment, is currently transitioning out of the Marine Corps. He hopes to move back to his home state of Ohio to work as a carpenter. (Official Marine Corps photo by Cpl. Levi Schultz/Released) - Cpl. Mark Noel, infantry rifleman, 1st Battalion, 7th Marine Regiment, is currently transitioning out of the Marine Corps. He hopes to move back to his home state of Ohio to work as a carpenter. (Official Marine Corps photo by Cpl. Levi Schultz/Released)