U.S. Marine Corps Cpl. Justin Trujillo, military working

U.S. Marine Corps Cpl. Justin Trujillo, military working dog handler, 3d Law Enforcement Battalion, III Marine Headquarters Group, provokes a military working dog to demonstrate a series of escalation of force levels during a simulated entry control point. The aggressive reaction training is part of Amphibious Landing Exercise (PHIBLEX) 15 at Basa Air Base, Pampanga, Philippines, Oct. 2, 2014. PHIBLEX is an annual, bilateral training exercise conducted by the Armed Forces of the Philippines, U.S. Marines and Navy to strengthen interoperability across a range of capabilities to include disaster relief and contingency operations. (U.S. Marine Corps photo by MCIPAC Combat Camera Cpl. Sara A. Medina/RELEASED)