Special Agent Dave Flanagan, Air Force Office of Special Investigations 3rd Field Investigation Squadron, shoots at a target during the 633d Security Forces shooting competition at Langley Air Force Base, Va., May 16, 2011. The competition was part of National Police Week , an annual event held to remember fallen defenders, both military and civilian. (U.S. Air Force photo by Airman 1st Class Camilla Griffin)(RELEASED)