Afgan National Army Capt. Kamal, the Route Clearance Tolai commander for 2nd Brigade, 215th Corps, uses this sandtable kit to plan his tolai's missions on Forward Operating Base Nolay, Sangin District, Helmand province, Afghanistan. (Bryan Peterson/U.S. Marine Corps)

M1A1 Abrams tanks are staged for off-load on the deck of Army Logistics Support Vessel 4 off the shore of Pohang, Republic of Korea. (Mark W. Stroud/U.S. Marine Corps)

A U.S. Marine M1A1 Abrams tank with Delta Company, 1st Tank Battalion, Regimental Combat Team 7, (RCT) 7, parks at a staging area on Camp Shir Ghazay, Helmand province, Afghanistan. (Ezekiel R. Kitandwe/U.S. Marine Corps)

U.S. Marine Corps Lance Cpl. Phillip Lim, left, and Cpl. Brandon Baber, both assigned to Delta Company, 1st Tank Battalion, Regimental Combat Team 7, take a pause from conducting function checks on an M1A1 Abrams tank on Camp Shir Ghazay, Helmand province, Afghanistan. (Ezekiel R. Kitandwe/U.S. Marine Corps)

Lance Cpl. Sam Monroe, a crew chief with Marine Light Attack Helicopter Squadron 369 "Gunfighters," 3rd Marine Aircraft Wing, and a Red Bank, N.J., native, looks for other aircraft that is flying in the area during a flight aboard Marine Corps Air Station Camp Pendleton, Calif. (Raquel Barraza/U.S. Marine Corps)

The USS Kearsarge and the USNS Walter S. Diehl sail parallel with each other in order to conduct a resupply at sea while underway, May 02, 2013. (Kyle N. Runnels/U.S. Marine Corps)

Marine Helicopter Squadron One Marines, past and present, family members and friends mingle on the flight line with the newest addition to the squadron, a MV-22 B Osprey, after a MV-22B Introduction Ceremony in the HMX-1 hangar on May 4, 2013. HMX-1 is scheduled to receive 11 more MV-22B by next summer. (Rebekka S. Heite/U.S. Marine Corps)