BAGHDAD - Sgt. Nickolas Maynard, from Bangor, Maine, assigned to the Provost Marshall's Office, 1st Cavalry Division, leads his military working dog, Crock, through a room to sweep it for explosives here, July 26. Maynard and Crock cleared a school i...

BAGHDAD - Pfc. Travis Selinsky (left), from Prescott Valley, Ariz., assigned to Company B, 2nd Battalion, 8th Cavalry Regiment, 2nd Brigade Combat Team, 1st Infantry Division, pulls security while Sgt. Nickolas Maynard, from Bangor, Maine, assigned t...

BAGHDAD - Crock, a 6-year-old Belgian Malinois, sniffs a trash bin at a school for explosives, July 26, with his handler Sgt. Nickolas Maynard, from Bangor, Maine, assigned to Provost Marshall's Office, 1st Cavalry Division. Maynard and his companion...