1. Yamato battleship was Japan's most powerful WWII warship, equipped with 460mm guns and heavy armor, but was sunk on its mission to Okinawa. 2. Japanese submarines served in attack, transport, and recon roles. Unique subs like the I-400 could even carry aircraft. 3. The Akagi carrier led the Pearl Harbor attack but was later sunk at Midway, dealing a major blow to Japan's naval strength.
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