ice cream truck
n.— «We exited the plane and the scene was stark—soldiers, machine guns, maneuvering us quickly into what they called ice cream trucks—that looked just like that but were bullet and “IED” reinforced.» —“Day Four: Into Iraq—Visting the Troops” by Patty Murray in Iraq Patty Murray—U.S. Senator from Washington State Mar. 22, 2005. (source: Double-Tongued Dictionary)