U.S. Marines with 2nd Battalion, 1st Marine Regiment, the ground combat element of the 13th Marine Expeditionary Unit, present the colors during a ceremony honoring members of their regiment who gave their lives during the Vietnam War. During the ceremony, plaques bearing the names of the fallen were dedicated in their honor at the Camp Horno Memorial Garden aboard Camp Pendleton. (U.S. Marine Corps photo by Sgt. Paris Capers/ Released) - U.S. Marines with 2nd Battalion, 1st Marine Regiment, the ground combat element of the 13th Marine Expeditionary Unit, present the colors during a ceremony honoring members of their regiment who gave their lives during the Vietnam War. During the ceremony, plaques bearing the names of the fallen were dedicated in their honor at the Camp Horno Memorial Garden aboard Camp Pendleton. (U.S. Marine Corps photo by Sgt. Paris Capers/ Released)

Lance Cpl. Justin Ezell, a Marine with 2nd Battalion, 1st Marine Division, I Marine Expeditionary Force, shoots at his target during Special Operations Training Group’s Raid Leaders Course aboard Marine Corps Base Camp Pendleton, Calif., June 9, 2015. The two-week long course focuses on preparing Marines to conduct combat raids. (Photo by LCpl. Danielle Rodrigues/Released) - Lance Cpl. Justin Ezell, a Marine with 2nd Battalion, 1st Marine Division, I Marine Expeditionary Force, shoots at his target during Special Operations Training Group’s Raid Leaders Course aboard Marine Corps Base Camp Pendleton, Calif., June 9, 2015. The two-week long course focuses on preparing Marines to conduct combat raids. (Photo by LCpl. Danielle Rodrigues/Released)

1st Marine Division Logo - 1st Marine Division Logo

Corporal Christian B. Swanholm, a field artillery cannoneer with 1st Battalion, 11th Marine Regiment, 1st Marine Division, embraces his crying wife after a seven-month deployment aboard Marine Corps Base Camp Pendleton, Calif., Feb. 23, 2015. Marines arrived from the early hours of the morning until the late hours of the night to greet their family and friends. - Corporal Christian B. Swanholm, a field artillery cannoneer with 1st Battalion, 11th Marine Regiment, 1st Marine Division, embraces his crying wife after a seven-month deployment aboard Marine Corps Base Camp Pendleton, Calif., Feb. 23, 2015. Marines arrived from the early hours of the morning until the late hours of the night to greet their family and friends.

Lance Cpl. Josh Poynter (left), an assault man serving with Fox Company, 2nd Battalion, 1st Marine Regiment, and Cpl. Travis Richardson, a squad leader serving with Fox Co. drag a Marine out of a simulated firefight during Military Operations on Urban Terrain training at the Infantry Immersion Trainer here, May 29, 2013. Richardson, 24, from Surprise, Ariz., and Poynter, 28, from Indianapolis, Ind., moved their wounded comrade in to the cover of a building and began treating his simulated gunshot wound. - Lance Cpl. Josh Poynter (left), an assault man serving with Fox Company, 2nd Battalion, 1st Marine Regiment, and Cpl. Travis Richardson, a squad leader serving with Fox Co. drag a Marine out of a simulated firefight during Military Operations on Urban Terrain training at the Infantry Immersion Trainer here, May 29, 2013. Richardson, 24, from Surprise, Ariz., and Poynter, 28, from Indianapolis, Ind., moved their wounded comrade in to the cover of a building and began treating his simulated gunshot wound.

Marines serving with Fox Company, 2nd Battalion, 1st Marine Regiment, hike an 11-mile route with a full combat load to their next training destination here, April 2, 2013. The hike began at 6:30 a.m. and finished approximately four hours later. The company conducts hikes weekly to build strength, confidence and unit-readiness. Hikes also give small-unit leaders an opportunity to lead Marines and build camaraderie. - Marines serving with Fox Company, 2nd Battalion, 1st Marine Regiment, hike an 11-mile route with a full combat load to their next training destination here, April 2, 2013. The hike began at 6:30 a.m. and finished approximately four hours later. The company conducts hikes weekly to build strength, confidence and unit-readiness. Hikes also give small-unit leaders an opportunity to lead Marines and build camaraderie.