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Midget Submarine Hull Technology ID

The research ID for Midget Submarine Hull in Hearts of Iron IV is midget_submarines.

Midget Submarine Hull

Midget Submarine Hull technology icon
1936

Unlock this technology with the research command and the tech ID midget_submarines.

Unlocks

Researching Midget Submarine Hull unlocks the following in Hearts of Iron IV:

  • Midget Submarine