 If you liked
Uchuu Senkan Yamato 2199
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 ...then you might like
Aoki Hagane no Arpeggio: Ars Nova
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While it's pretty clear that Arpeggio was deeply inspired by the original Yamato in terms of technology, action, and ship design, the similarities extend further than that. They both tell the story of a young hotshot commanding one small ship against a whole hostile universe to bring peace to their dying world.
They both use the plot device of weapons of mass destruction in order to bring peace, exploring the morality behind using such devices and the terrible consequences that they can cause. In addition, their use of careful planning and thinking ahead is key to their survival against a bigger and more powerful foe.