WW2: Hell Under the Sea

Iwo Jima Pilot Rescue (3x6)

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When the Allies use carrier groups to deliver destruction to the strongholds of the Imperial Japanese Empire, aircraft and airmen prove vulnerable. Only one kind of vessel has a chance to sneak in, surface and perform rescues in enemy waters. As the Submarine Lifeguard League mobilizes, American subs risk everything to rescue downed aviators.