Art hasn't done anything to earn the title "ex", Trimble.
CMC has new policy that eliminates title of former Marine. “You’re a Marine, just in a different uniform and
you’re in a different phase of your life. But you’ll always be a Marine because you went to Parris
Island, San Diego or the hills of Quantico. So there’s no
such thing as a former Marine.” CMC paraphrased remarks, 3D Marine Aircraft Wing Birthday Ball, San Diego, Ca, 6 November 2010.
Stephen (or his editors) must have heard you, because Flight re-issued the article with an alternate headline:
Sea Harrier revived by former USMC pilot for air show circuit