Chief Warrant Officer 2 Jeffrey Hilliard, chief armament technician with Company B, 299th “Lifeline” Brigade Support Battalion, 2nd Advise and Assist Brigade, 1st Infantry Division, United States Division – Center, and a Buffalo, N.Y., native, checks the condition of a 120 mm mortar tube May 7, at Camp Liberty, Iraq. With an upcoming live fire exercise, it is crucial that soldiers involved ensure the mortars remain serviceable.