U.S. Marine Sgt. Albert J. Carls, left, combat videographer,

U.S. Marine Sgt. Albert J. Carls, left, combat videographer, Combat Camera, 1st Marine Division (Fwd), directs Gen. James F. Amos, commandant of the Marine Corps, center, and Sgt. Maj. Micheal P. Barrett, sergeant major of the Marine Corps, on what to do before documenting part of the 2013 Marine Corps Birthday Message, Camp Leatherneck, Helmand province, Afghanistan, July 17, 2012. Combat Camera Marines from combined units gathered to document Gen. James F. Amos, commandant of the Marine Corps, and Sgt. Maj. Micheal P. Barrett, sergeant major of the Marine Corps, as they address Marines and families for the 2013 Birthday Message.