Corporal Joshua Tucker, right, a Marine musician with Headquarters Company, Headquarters Battalion, 1st Marine Division, posts security at the division entry control point during Exercise Desert Scimitar at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., May 10, 2014. It is not uncommon for Marines like Tucker, a native of Carson City, Nev., to be called upon to maintain security during field training. 1st Marine Division acts as the headquarters element of I Marine Expeditionary Force during the duration of the exercise. (U.S. Marine Corps photograph by Sgt. Timothy Lenzo/RELEASED)
<br>Unit: 1st Marine Division
Sgt. Timothy Lenzo
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