Swim speed bridge

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Swim Speed Bridge ( SSB ) is a name for (mostly military) amphibious vehicles based on wheels or chains that can be used to quickly build a multi-part floating bridge over inland water.

Examples

Amphibian M3 (Germany)
Engin de franchissement de l'avant (France)
PMM Volna (Soviet Union)
PMM-2 (Soviet Union)
Bridge and transfer vehicle PDP (Russia)
GZM-003 (PR China)