Submarines WW1-WW2

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The Invention And Development of Submarines - tgw > .
Anti Submarine Warfare and Tactics in WW1 - tgw > .
Submarines (History) > .

History of Submarines - it's > .

24-5-19 Detection Advances vs Future of Ballistic, Attack Submarines - Perun > .

23-7-25 3-D: Construction, Operation of WW2 submarine - Animagraffs > .
Culling the Nazi Wolfpacks - Submarines - 41-3-17 > .

21stC - Stirling Engine on Stealthy Swedish Sub - ReEn > . 

ASW - Detecting Submarines - Mil TV > .

Blockade, Cargo, Chokepoints - Naval Gazing >> .

Anechoic Tiles ↠

Submarines - Sharks Of Steel 1/4: The Submariners > .  

Submarines - Sharks of Steel -ZsSz >> . 

Why Aircraft Patrols Were a Source of Fear for Nazi U-Boats > .
Why Depth Charges Don't Have to Touch a Submarine to Sink It > .

23-7-25 3-D: Construction, Operation of WW2 submarine - Animagraffs > .

ASW - sinking U-boat ..
Flower Class Corvette - ASW ..

Midget Submarines .. 

40-8-17 Naval Blockade of British Isles ..