Marine Corps Lance Cpl. Ashley Johnson provides security from atop a Humvee during Large Scale Exercise 2014 on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Aug. 6, 2014. The exercise trains Marines in the command and control of an expeditionary brigade-sized element operating to support combat, crisis or contingency operations ashore. Johnson is a signals intelligence analyst with the 1st Radio Battalion.
U.S. Marine Corps photo by Cpl. Rick Hurtado
Download high resolution image