((Since it was an unanswered question in the last thread, I made this poll to answer it[basically].))
I figured I could just go ahead and make a few badges and banners for the Star Army of Yamatai. This is so that Yamatai WH40k players(if there are any) can enjoy a unique symbolism that only Yamataian players can enjoy(basically.) This is the result of my work, I used the ship patches for the badges, however, since the Yagumo has no ship patch, I used the humming bird.
As you can see, I also provided 3 different sorts of banners, one is a clear, one flag design. I'll demonstrate how they all look in the ingame, I used the Eldar, since mainly, most people take Yamatai as Eldar. Personally I think Yamataians could probably...