Minot Police Department K-9 Piko looks up from beneath a table as his handler Titus Clouse, MPD patrolman, completes a written exam during the 2013 North Dakota Peace Officer Association K-9 Police Trials at Minot Air Force Base, N.D., Aug. 14, 2013. The exam tested both military and civilian handlers' basic medical knowledge of K-9s and was the second stop in the competition's obstacle course which included strength, endurance and noise response obstacles.