U.S. Army Sgt. Melinda Storsin, 3rd Military Police Detachment military working dog handler, and Sarik, Fort Eustis MWD, waits for instructions during a demonstration at the 50th Vietnam War Commemoration at Fort Eustis, Va., May 16, 2015. Sarik is 4 years old and has been with Storsin, for several years. (U.S. Air Force photo by Senior Airman Kimberly Nagle/Released)