Staff Sgt. Brandon Stanbridge, a reconnaissance Marine with 1st Reconnaissance Battalion, ropes down a rappel tower in preparation for the 7th Annual Recon Challenge aboard Marine Corps Base Camp Pendleton, California, May 15, 2015. (Alvin Pujols/U.S. Marine Corps)

Master Sgt. Vincent Marzi, the operations chief for 1st Reconnaissance Company, rises from the water with his rifle during an aquatic event during the 7th Annual Recon Challenge aboard Marine Corps Base Camp Pendleton, California, May 15, 2015. (Alvin Pujols/U.S. Marine Corps)

Master Sgt. Vincent Marzi, the operations chief for 1st Force Reconnaissance Company, takes his final steps as he approaches the end of the 7th Annual Recon Challenge aboard Marine Corps Base Camp Pendleton, California, May 15, 2015. After more than 12 hours of events and hiking with a pack, Marzi knew he made Maj. Jeremy Graczyk, a former platoon commander and fallen Marine, proud. (Alvin Pujols/U.S. Marine Corps)

U.S. Marines from Easy Company, 2nd Battalion, 2nd Marine Regiment, charge through clouds of smoke during their last live-fire event of Eager Lion 15 around Al Quweyrah, Jordan, May 19, 2015. (Ryan Young/U.S. Marine Corps)

Marines with 2nd Law Enforcement Battalion demonstrate crowd control procedures against group of Moroccan, Dutch and Belgium soldiers acting as an unruly crowd May 20 in the Tifnit, Morocco, training area. (Chad McMeen/U.S. Marine Corps)

An F-35B Lightning II takes off on the flight deck of USS Wasp (LHD-1) during routine daylight operations, a part of Operational Testing 1, May 22. The F-35B is the future of Marine Corps aviation and will be replacing three legacy platforms: The AV-8B Harrier, the F/A Hornet and the EA-6B Prowler. The F-35B is with Marine Fighter Attack Training Squadron 501, Marine Aircraft Group 31, 2nd Marine Aircraft Wing. (Anne Henry/U.S. Marine Corps)

U.S. Marines with the 15th Marine Expeditionary Unit???s Maritime Raid Force ride a combat rubber raiding craft ashore aboard Bellows Air Force Station, Hawaii, May 15, 2015. The 15th MEU???s Force Reconnaissance Detachment helped familiarize the security element Marines with surf passage, broaching and casting procedures. (Anna Albrecht/U.S. Marine Corps)

U.S. Marine MV-22B Ospreys from Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa departed Mihail Kogalniceanu Air Base, Romania, with a platoon of Marines from the Black Sea Rotational Force to support a multilateral training exercise during Platinum Eagle 15, May 26, 2015. (Paul Peterson/U.S. Marine Corps)

U.S. Marine MV-22B Ospreys from Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa departed Mihail Kog??lniceanu Air Base, Romania, with a platoon of Marines from the Black Sea Rotational Force to support a multilateral training exercise during Platinum Eagle 15, May 26, 2015. (Paul Peterson/U.S. Marine Corps)

Marines attached to the USS San Antonio march in the Pelham Memorial Day Parade for Fleet Week New York, May 25, 2015. Marines and sailors from various units across the United States come together every year for Fleet Week New York 2015. (Krista James/U.S. Marine Corps)

U.S. Marine Cpl. Lacy Martinson, a combat engineer with the Logistics Combat Element, Special Purpose Marine Air Ground Task Force???Crisis Response???Central Command, is sprayed during the Oleoresin Capsicum (OC spray) portion of the Nonlethal Weapons Course conducted by the Law Enforcement Detachment for Marines from the Logistics Combat Element and the Ground Combat Element in an undisclosed location within the Central Command Area of Operations, May 26, 2015. (Leah Agler/U.S. Marine Corps)