U.S. Air Force Senior Airman Brandon Smith, 633rd Security Forces Squadron Military Working Dog handler, and Max, 633rd SFS MWD, participate in a National Police Week K9 demonstration at Langley Air Force Base, Va., May 15, 2014. The dogs completed the K9 obstacle course in recognition of National Police Week, May 11-17. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)