Danbooru-based image board with a specialization in high-quality images.
battleship_yamato kobayashi_makoto kodai_miyuki kodai_susumu mecha orihara_maho uchuu_senkan_yamato uchuu_senkan_yamato:_fukkatsu_hen

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Should we use mecha with these kind of images?
Mecha are usually robots with arms and legs, a cockpit and a pilot. IMO we shouldn't tag a ship as one.
I'm of the opinion we should tag these, but without wasting time creating a new tag. mecha seems the most appropriate.
Unless it involves a cute girl, any machine is mecha.