Lt. Col. Scott Foley, 633d Security Forces Squadron commander, and retired Staff Sgt. Chris Rocchio, 633 SFS dog handler, toss their dog bowls during a retirement ceremony for Argo, 633 SFS Military Working Dog, at Langley Air Force Base, Va., May 20, 2011. The ceremony was held in conjunction with National Police Week, an annual event held to remember fallen military and civilian defenders. (U.S. Air Force photo by Airman 1st Class Camilla Griffin)(RELEASED)