Soldiers from the 43rd Georgian Infantry Battalion post security as another soldier attends to a simulated casualty during the Mission Rehearsal Exercise at the Joint Multinational Readiness Center, Hohenfels, Germany, Feb. 22. The Mission Rehearsal Exercise is a month-long culminating event in which soldiers from the 43rd Georgian Infantry Battalion are tested in their abilities before being deployed to Afghanistan. - Soldiers from the 43rd Georgian Infantry Battalion post security as another soldier attends to a simulated casualty during the Mission Rehearsal Exercise at the Joint Multinational Readiness Center, Hohenfels, Germany, Feb. 22. The Mission Rehearsal Exercise is a month-long culminating event in which soldiers from the 43rd Georgian Infantry Battalion are tested in their abilities before being deployed to Afghanistan.

The final nine Marines representing the 2nd Marine Aircraft Wing’s involvement in Afghanistan walk down the flight line at Marine Corps Air Station Cherry Point, N.C., Dec. 6, 2014. The Marines belong to Marine Light Attack Helicopter Squadron 467 stationed at Marine Corps Air Station New River, N.C., and served more than seven months in Afghanistan. - The final nine Marines representing the 2nd Marine Aircraft Wing’s involvement in Afghanistan walk down the flight line at Marine Corps Air Station Cherry Point, N.C., Dec. 6, 2014. The Marines belong to Marine Light Attack Helicopter Squadron 467 stationed at Marine Corps Air Station New River, N.C., and served more than seven months in Afghanistan.

General James F. Amos, left, the 35th Commandant of the Marine Corps, and Sgt. Maj. Micheal Barrett, the 17th Sergeant Major of the Marine Corps, speak to Marines and sailors with 1st Battalion, 7th Marine Regiment; 1st Battalion, 2nd Marine Regiment; and 2nd Combat Engineer Battalion aboard Camp Leatherneck, Afghanistan, Sept. 6, 2014. Gen. Amos and Sgt. Maj. Barrett visited Marines and sailors serving with Marine Expeditionary Brigade – Afghanistan in Helmand province for the final time, thanking them for their service and sacrifice. - General James F. Amos, left, the 35th Commandant of the Marine Corps, and Sgt. Maj. Micheal Barrett, the 17th Sergeant Major of the Marine Corps, speak to Marines and sailors with 1st Battalion, 7th Marine Regiment; 1st Battalion, 2nd Marine Regiment; and 2nd Combat Engineer Battalion aboard Camp Leatherneck, Afghanistan, Sept. 6, 2014. Gen. Amos and Sgt. Maj. Barrett visited Marines and sailors serving with Marine Expeditionary Brigade – Afghanistan in Helmand province for the final time, thanking them for their service and sacrifice.