McDonnell's Phantom Works is still running, as a division of Boeing now, and seems to be doing innovative work despite the lack of innovation in the name. They

McDonnell's Phantom Works is still running, as a division of Boeing now, and seems to be doing innovative work despite the lack of innovation in the name. They were responsible for the tailless X-36, the X-37 space plane and, allegedly, much of the groundwork for the winning NGAD design.