Marines serving with Engineers Platoon, 2nd Battalion, 9th Marine Regiment, construct a new perimeter surrounding Camp Hanson in Marjah, Afghanistan using HESCO walls and concertina wire May 4, 2012. Combat engineers have torn down some of the fortified walls to shrink the base’s perimeter. The Marines plan to reduce their base’s guard posts in half by the end of their seven-month deployment. (U.S. Marine Corps photo by Sgt. Michael Cifuentes)

Marines with India Battery, the artillery attachment for Battalion Landing Team 1st Battalion, 2nd Marine Regiment, 24th Marine Expeditionary Unit, fire a 120 mm towed mortar system, called the Expeditionary Fire Support System here, May 17, 2012, during Exercise Eager Lion 12. Eager Lion 12 is taking place throughout the month of May and is designed to strengthen military-to-military relationships of more than 19 participating partner nations. This is the second major exercise for the 24th MEU who, along with the Iwo Jima Amphibious Ready Group, is currently deployed to the U.S Central Command area of operations as a theater security and crisis response force. (U.S. Marine Corps photo by Staff Sgt. Robert Fisher)

A Marine CH-53E Super Stallion from Marine Heavy Helicopter Squadron 772 conducts slingload operations with Air Force airmen from the 621st Contingency Response Wing at Joint Base McGuire-Dix-Lakehurst, N.J., May 10, 2012. Both units were preparing for a Marine airpower demonstration at the 2012 JB MDL Open House and & Air Show, scheduled for May 12 and 13. (U.S. Marine Corps photo by Air Force Tech. Sgt. Edward Gyokeres)

Sgt. Nick R. Hill, III Marine Expeditionary Force combat shooting team member, fires at 100 meter targets during the 2012 Australian Army Skills at Arms Meeting (AASAM) May 7, 2012, in Puckapunyal, Australia. AASAM is an international marksmanship competition consisting of 16 different countries. This year is the fifth iteration of AASAM and the third consecutive year that United States forces have been invited to participate. (U.S. Marine Corps photo by Air Force Tech. Sgt. Michael R. Holzworth)

Marines with aircraft rescue and firefighting extinguish a fuel fire during fuel-pit fire training on Marine Corps Air Station Futenma May 31, 2012. Once a fuel-pit fire is ignited, it will continue to burn until the Marines use their skills to extinguish it by submerging it in water. (U.S. Marine Corps photo by Lance Cpl. Alyssa Hoffacker)

An M1A1 Abrams Main Battle Tank, with Alpha Company, 1st Tank Battalion, moves into position during a firefight in the town of Zamindawar, May 27, 2012. The tanks support Marines with 2nd Battalion, 5th Marine Regiment during Operation Jaws. (U.S. Marine Corps photo by Cpl. Timothy Lenzo)

Marines and sailors aboard the USS Donald Cook enter the New York Harbor during the Parade of Ships on the first day of Fleet Week New York 2012, May 23. During the Parade of Ships, 23 Tall Ships and Warships made their way from The Statue of Liberty, past the World Trade Center site to Manhattan’s West side. Marines and Coast Guardsmen will descend upon the city to celebrate the 25th Fleet Week New York, which takes place May 23 – 30. Fleet Week has been New York’s celebration of the sea services since 1984. It is an unparalleled opportunity for citizens of New York and the surrounding tri-state area to meet sailors, Marines and Coast Guardsmen, as well as see, firsthand, the latest capabilities of today´s maritime services. (U.S. Marine Corps photo by Lance Cpl. Martin Egnash)