The Army risks wasting money if it fails to leverage the work already accomplished on the Future Combat Systems' manned ground vehicle component, a retired senior officer and Army acquisition official said last week. Retired Lt. Gen. Joseph Yakovac, now of The Cohen Group, said developing vehicles individually -- as opposed to the common approach employed in designing the eight MGVs -- is far more expensive. "If you want to introduce piece-part vehicles again and develop each one of them...