ATLANTIC CITY, N.J. -- Brian, a military working dog, guards at the heeled position as his handler, Staff Sgt. Jeremiah Jessen, searches Staff Sgt. Justin Marshall during the criminal apprehension event at the U.S. Police Canine National Field Trials here. The team was the only military team to qualify for the national tournament, where they competed against 126 civilian K-9 police teams and finished in fourth place. The team is part of the 28th Security Forces Squadron military working dog section at Ellsworth Air Force Base, S.D. (U.S. Air Force photo by Airman 1st Class Jason Piatek)