Funding a second engine for the Joint Strike Fighter would cost the Defense Department $480 million over the next year, according to the Pentagon’s acquisition chief. Speaking at a luncheon on Capitol Hill today, Ashton Carter, Pentagon under secretary for acquisition, technology and logistics, said that keeping alive the F136 engine -- which is being manufactured by General Electric and Rolls-Royce -- would have cost DOD $480 million had the Pentagon not opted to cancel the effort last month. The...