 He can't go back to the US, but he didn't accept the buyout of Aerojet and he's making a ton of money off of his shares and living pretty comfortably in France with his family and also beginning basically a new career as an artist and intellectual. There is a bonkers paradox here that the communist Frank Molina starts up this company, Aerojet, to produce JATOs so that JPL don't have to sully themselves with weapons manufacture.