Here's a nice look at the Astro-Jets ride, with the Moonliner looming dramatically in the background. Douglas took over sponsorship of "Rocket to the Moon" in 1960 I believe...it was nice to still have the rocket, but it wasn't as graphically striking as it had been with the TWA markings. I do love the fact that it would occasionally spout "steam", as if it was just getting ready to lift off.
The Astro-Jets were a surprisingly "off the shelf" attraction that operated for many years. They were, of course, replaced with the Rocket Jets for the 1967 Tomorrowland. While the ride itself was not much different, it was brilliantly placed atop the Peoplemover loading area, making for an attraction that was as much fun to look at as it was to ride.