More than 80 F-35s could be left in limbo as the Pentagon refuses to accept new jets until testing of updated technology on the stealth fighters is complete. Deliveries of new F-35s are on hold until ...

It’s one thing to overhaul a beat-up old muscle car from the ground-up to create a shiny new restomod, but it’s something else entirely to modify only select bits and pieces to keep the old-school ...