----- 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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