skos:altLabel | - semi-submersible
- midget submarine
- midget submarines
- midget
- mini-sub
- German midget submarine
- Midget Submarine
- Midget Submarines
- Midget U-boat
- Midget submarine#Italy
- Midget submarine#Japan
- Mini-submarine
- midget Japanese submarine
- mini submarine
- mini-submarine
- mini-submersibles
- mini-subs
- special-operations submarine
- two-man submarines
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