30:37

Soviet Submarines Were Unhinged

1:22:10

What Really Sank the Edmund Fitzgerald? A Full Analysis.

38:08

U-505 - When the US Navy stole a whole German submarine

1:06:55

Échec de la conception

25:49

Das Rätsel von UC 71 – So veränderten U-Boote den Ersten Weltkrieg I Terra X