 As Secretary of the Navy, Greg, trying to get his undesirable discharge, he was given an honorable discharge from the Marines. While he was in Minsk, it was changed illegally to undesirable discharge. So he wrote a nasty letter to John Connolly, who was Secretary of the Navy, and Connolly wrote him a letter back, and they became arch enemies. And Connolly believed that Oswald was shooting for him.