U.S. Marine Corps Cpl. Sean McKenzie, right, holds back Benjamin, a military working dog, from subduing Cpl. Nicholas Newell during bite-work training at the Central Training Area in Okinawa, Japan, Aug. 7, 2014. Bite work trains the dog to subdue a suspect while allowing the handler to maintain control over their dog. McKenzie and Neville are military working dog handlers assigned to 3rd Law Enforcement Battalion, 3rd Marine Expeditionary Force Headquarters Group, 3rd Marine Expeditionary Force