Military working dog handlers assigned to the 1st Law Enforcement Battalion, I Marine Expeditionary Force, participate in Large Scale Exercise-1, Javelin Thrust 2012 on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 8, 2012.

U.S. Marine Corps photo by Cpl. Joshua Young

All nine images associated with the U.S. Marines participating in Exercise Javelin Thrust 2012 are available in the slideshow below.