Satie, 380th Expeditionary Security Forces Squadron military working dog, age four, attacks a bite sleeve during annual water-based aggression training at the base pool at undisclosed location in Southwest Asia, Jan. 18, 2016. Bite sleeves are leathery training aids worn over the arm by agitators or trainers to protect themselves from injury during bite training with military working dogs. (U.S. Air Force photo by Staff Sgt. Kentavist P. Brackin/released)