A Marine with Weapons Co., Battalion Landing Team 2nd Battalion, 4th Marines, 31st Marines Expeditionary Unit, engages targets with an M240G 7.62mm machine gun during an integrated, live-fire exercise for Exercise Koolendong 13 here, Sept. 3.

A coalition force member maintains security from a light-tactical all-terrain vehicle during a patrol with Afghan National Army Special Forces to escort a district governor in Helmand province, Afghanistan, April 14, 2013. Afghan National Security Forces have been taking the lead in security operations to bring security and stability to the people of the Islamic Republic of Afghanistan. (U.S. Marine Corps Photo by Sgt. Pete Thibodeau/Released)

A coalition service member comforts a puppy after securing a compound in Nahr-e Saraj district, Helmand province, Dec. 24, 2012. (Photo by U.S. Army Spc. Matthew R. Hulett)