AM General, maker of the U.S. military's legacy light tactical vehicle fleet, will toss its hat in the ring for the upcoming competition to build Joint Light Tactical Vehicles, a move that presents incumbent Oshkosh with a formidable challenger and assures the Army an industrial rivalry that acquisition officials hope will drive innovation and a fair cost in an estimated $7.6 billion project. Jim Cannon, AM General president and chief executive officer, said the South Bend, IN-based company -- which...