Ruff job Published Jan. 15, 2003 SEYMOUR JOHNSON AIR FORCE BASE, N.C (AFPN) -- Staff Sgt. Samuel Pruett keeps a close eye on his partner, Dasty, as he runs through the tunnel during training at the military working dog obstacle course here Jan. 10. Both man and dog are assigned to the base's 4th Security Forces Squadron. (Photo by Staff Sgt. James W. Arrowood)