Earlier this month these three videos featuring footage of Soviet era T-54 and T-55 tanks appeared on the youtube. Most of this footage appears to be shot in the period when the T-54 and T-55 were the main frontline tank of the USSR. The beginning of part 3 is particularly interesting as it shows some T-54-1 tanks with their distinctive turret design.
Tank and AFV News 
Seeing the tanks crawling along the bottom of a river with snorkels was just too surreal. Can you imagine the horror of the crew if it should fail? The pressure of the water outside the hull/turret might have been sufficiently heavy to keep the hatches from being opened, unless perhaps they had springs on the hinges.
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