Mr. Timothy Etheridge, counter-improvised explosive device (IED) instructor, debriefs U.S. Marines with Headquarters and Headquarters Squadron (HHS), Marine Corps Air Station (MCAS) Yuma, Ariz., after their patrol on hidden IEDs during the Deployment for Training Operation Tsunami aboard Camp Pendleton, Calif., 16 July, 2012. HHS Marines from MCAS Yuma deployed to Camp Pendleton, Calif., in order to complete infantry-specific training to better prepare potential individual augments for future combat deployments.