LOUISVILLE, Ky. - The grandfather of an Army Reserve soldier whose platoon refused to deliver supplies in Iraq said his grandson told him Saturday that he and other soldiers had been detained by military authorities but were later released. Meanwhile, military officials said commanders reassigned five members of the unit. Some in the platoon had told relatives they refused to deliver tainted helicopter fuel in poorly maintained vehicles by traveling a dangerous supply route without an armed escort. The Army is investigating up to 19 members of the platoon, which is part of the 343rd Quartermaster Company based in Rock...