bn:15828899n
Noun Concept
Categories: World War II submarines of Japan, All articles needing additional references, Submarine classes, Shipwrecks in the Pacific Ocean, I-400-class submarines
EN
I-400-class submarine  I-400  I-400, I-401, I-402 Type Sentoku aircraft carrying submarine  I-400 class submarine  I-400 type submarine
EN
The I-400-class submarine Imperial Japanese Navy submarines were the largest submarines of World War II and remained the largest ever built until the construction of nuclear ballistic missile submarines in the 1960s. Wikipedia
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