Lance Cpl. Kurtis G. Lucas provides security with his military working dog Sayfa on March 6, 2013 during a combat lifesaver course at the Tactical Medical Simulation Center at Camp Hansen, Okinawa, Japan. Marines attended the CLS course before being tested on their ability to apply what they learned in simulated battlefield conditions. Lucas is a military working dog handler with 3rd Law Enforcement Battalion, III Marine Expeditionary Force Headquarters Group, III MEF. (U.S. Marine Corps photo by Lance Cpl. Jose Lujano)