Lance Cpl. Matthew Ritter, a heavy equipment operator with Bulk Fuel Company, 7th Engineer Support Battalion, shows a couple a weapons system during San Diego Fleet Week 2015 aboard Naval Base Coronado, Calif., Sept. 20, 2015. Thirty-seven Marines from 7th ESB presented static displays during the event to demonstrate the quality of military assets to the citizens of San Diego. (U.S. Marine Corps photo by Sgt. Laura Gauna/released) - Lance Cpl. Matthew Ritter, a heavy equipment operator with Bulk Fuel Company, 7th Engineer Support Battalion, shows a couple a weapons system during San Diego Fleet Week 2015 aboard Naval Base Coronado, Calif., Sept. 20, 2015. Thirty-seven Marines from 7th ESB presented static displays during the event to demonstrate the quality of military assets to the citizens of San Diego. (U.S. Marine Corps photo by Sgt. Laura Gauna/released)

Lance Cpl. Gerald J. Demontmollin III scans the area for targets inside of a UH-1Y Venom Feb. 24, 2016, at Camp Pendleton. Demontmollin and his squadron performed simulated assault and close air support training to maintain unit readiness. Demontmollin, from Grass Valley, is a crew chief with Marine Light Attack Helicopter Squadron 169, Marine Aircraft Group 39, 3rd Marine Air Wing. (U.S. Marine Corps photo by Lance Cpl. Justin E. Bowles) - Lance Cpl. Gerald J. Demontmollin III scans the area for targets inside of a UH-1Y Venom Feb. 24, 2016, at Camp Pendleton. Demontmollin and his squadron performed simulated assault and close air support training to maintain unit readiness. Demontmollin, from Grass Valley, is a crew chief with Marine Light Attack Helicopter Squadron 169, Marine Aircraft Group 39, 3rd Marine Air Wing. (U.S. Marine Corps photo by Lance Cpl. Justin E. Bowles)