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Mark 30 mine
Type Antisubmarine acoustic torpedo[1]
Place of origin United States
Service history
In service never in service
Production history
Designer Brush Development Company[1]
Designed 1942-1943[1]
Number built 3 prototypes[1]
Weight 265 pounds[1]
Length 96 inches[1]
Diameter 10 inches[1]

Effective range 3000 yards[1]
Warhead Mk 30[1]
Warhead weight 50 pounds[1]

Engine Electric[1]
Speed 12 knots[1]

The Mark 30 mine was an aircraft-launched, antisubmarine torpedo developed by the Brush Development Company during World War II. It was developed as a backup for the Mark 24 mine due to apprehensions regarding the Mark 24's acoustic steering. Three prototypes of the Mark 30 were built and tested in 1943; results were satisfactory. Production of the Mark 30 was never undertaken due to the success of the Mark 24 mine's acoustic steering.[1]

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