A member of the Hurlburt Field Honor Guard passes an American flag to Staff Sgt. Robert Calhoun, a military working dog handler from the 1st Special Operations Security Forces Squadron, during a memorial ceremony at the base chapel on Hurlburt Field, Fla., March 16, 2012. Calhoun was the last handler for Rony, an MWD, who was euthanized March 7, 2012 after suffering from cancer and internal bleeding. (U.S. Air Force photo/Airman 1st Class Christopher Williams)(Released)