Unless Lexx didn't mention it, The Shape of Things To Come, which has nothing to do with H.G. Wells's story or 1930's classic film...

https://www.youtube.com/watch?v=mqhLxb0af8I

And another Japanese guilty pleasure, Message From Space...

https://www.youtube.com/watch?v=qOSmIJCHqcQ

If the FX shots look familiar, a lot of it was used in the old Laserdisc arcade game, Astron Belt. I also suspect George saw the movie, and took notes for the Death Star run in ROTJ. ;)

What is it with the Japanese and sailing ships in space anyway?