Yokosuka Run
E1–6 · —I-401 races toward Yokosuka while sentient warships close every sea route.
Siege of Iwo Jima
E7–10 · —Gunzou's growing fleet gathers at Iwo Jima as Kongou tightens her blockade.
Pacific Crossing
E11–12 · —I-401 carries humanity's secret weapon toward America through a hostile ocean.
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