----- HISTORICAL RECORD -----

Mk 57 anti-submarine mine

Country of Origin: USA

description

The Mk 57 was an improved submarine-laid, moored U.S. mine for use against high-performance submarines. It had a fiberglass case (unlike the Mk 56, which had a non-magnetic, stainless steel case) and a magnetic firing mechanism.

status

No longer in service.

Initial operational capability was achieved in 1964.

characteristics

 WEIGHTS
   Total                   2,059 lb (934 kg)
   Warhead                   340 lb (154 kg)

 DIMENSIONS
   Length                  10 ft 8 in (3.25 m)
  ...

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