Sworn to Secrecy

Secret Submarines in WWII

  • Season 1
  • , Episode 25  | 
  • Aired: 5/8/2000
    • Length: 52:05
    • Plays: ???
Synopsis >

From silent one-man midget subs to U-boats on secret missions, both sides used secret submersibles of all shapes and sizes to conduct clandestine warfare in the war.

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