Spc. Daniel Hull, seated, a small-arms repair mechanic with Company E, 1st “Dragon” Battalion, 63rd Armor Regiment, 2nd Advise and Assist Brigade, 1st Infantry Division, United States Division – Center and a Hurst, Texas, native, prepares to scope the bore of a 120 mm mortar tube while Sgt. Claudio Aviles, right, a shop leader with Company E and a Buffalo, N.Y., native, assists him through the procedures, May 7, at Camp Liberty, Iraq. With an upcoming live-fire exercise, it is crucial that soldiers with the Dragon Battalion ensure the unit’s mortars remain serviceable.