A Light Armored Vehicle with 1st Light Armored Reconnaissance Detachment, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit, provides security for an amphibious raid during Certification Exercise (CERTEX) at Camp Pendleton, Calif., April 19, 2015. (Courtesy of the U.S. Marine Corps)

Landing support specialists with Combat Logistics Battalion 22, Headquarters Regiment, prepare to secure a simulated cargo load to a CH-53E Super Stallion helicopter during an external lift exercise on Landing Zone Albatross at Camp Lejeune, N.C., May 7, 2015. (Fatmeh Saad/U.S. Marine Corps)

A U.S. Marine with Marine Barracks Washington, D.C., educates the crowd before an evening parade May 8, 2015. The Evening Parade summer tradition began in 1934 and features the Silent Drill Platoon, the U.S. Marine Band, the U.S. Marine Drum and Bugle Corps and two marching companies. (Courtesy of the U.S. Marine Corps)

U.S. Marine Corps Gunnery Sgt. Allen Lee, supply chief, 12th Marine Corps District, leads Marines of Marine Corps Recruit Depot San Diego in a parade during the centennial celebration of Balboa Park, May 9, 2015. (Tyler Viglione/U.S. Marine Corps)

Marines with Marine Wing Support Squadron 171, Marine Rotational Force ? Darwin, and an Australian firefighter with Aviation Rescue Firefighting Service, Airservices Australia, Darwin International Airport, practice extinguishing controlled chemical fires May 11, 2015, at RAFF Base Darwin, Darwin, Northern Territory, Australia. (Angel Serna/U.S. Marine Corps)

Marines with 1st Battalion, 7th Marine Regiment provide security in a simulated combat town during the culminating event of Division School?s Urban Leaders Course at Camp Pendleton, Calif., April 22, 2015. (Courtesy of the U.S. Marine Corps)

A Nepalese soldier carries a young earthquake victim from a U.S. Marine Corps UH-1Y Venom helicopter assigned to Joint Task Force 505 to a medical triage area at Tribhuvan International Airport, Kathmandu, Nepal, after a 7.3 magnitude earthquake struck the country, May 12, 2015. Joint Task Force 505 along with other multinational forces and humanitarian relief organizations are currently in Nepal providing aid after a 7.8 magnitude earthquake struck the country April 25. (Courtesy of the U.S. Marine Corps)

U.S. Marine Corps Lance Cpl. John Kingwell and U.S. Navy Hospital Corpsman 2nd Class Jessica Gomez, both with Joint Task Force 505, help an earthquake victim to an ambulance at a medical triage area at Tribhuvan International Airport, Kathmandu, Nepal, May 13, 2015, after a 7.3 magnitude earthquake struck the country. (Courtesy of the U.S. Marine Corps)

A UH-1Y Huey helicopter takes off for a search and rescue mission from the Tribhuvan International Airport in Kathmandu, Nepal, May 13, 2015. A UH-1Y Huey assigned to Marine Light Attack Helicopter Squadron 469, carrying six Marines and two Nepalese soldiers, went missing while conducting humanitarian assistance after a 7.3 magnitude earthquake May 12, 2015. (Thor J. Larson/U.S. Marine Corps)

U.S. Marines with Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit, rush toward their objective in the hangar bay of the USS Essex at sea in the Pacific Ocean, May 14, 2015. (Courtesy of the U.S. Marine Corps)