Torpedoes
Known examples.

Imperial Japanese Navy (IJN) Torpedoes
Type 90 61cm Torpedo "Long Lance"
Type 90 Torpedo with Cockpit (Man Controlled Torpedo)
Type 91 Torpedo  aerial torpedo
Type 93 Torpedo "Long Lance"  used by Japanese Navy warships
Type 95 Torpedo  used by Japanese Navy submarines
Type 97 Torpedo / Type 97 Special (Type 98)  based on Type 93 "Long Lance" used by Type A Midget Submarines

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