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For historical information, Wikipedia has an article on Type B1 submarine.
Type B1 submarine
B1 sub
Role Submarine
Operators Japan
No. of positions 2
Position 1 Helmsman
Stern torpedo tubes
Position 2 Dual Type 96 AA gun

The Type B1 submarine is a Japanese submarine.


The Type B1 submarine has a total of six torpedo tubes at the stern. It also comes with a dual Type 96 AA gun for aerial defense.

Unlike other submarines, a Nakajima A6M2-N seaplane spawns in front of the conning tower, which is launched by catapult.

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