Type of mining used to render shipping routes dangerous or to bottle up enemy harbors. | Type of mine that requires the ship touch the mine or its antenna to explode. | Hull design type of nuclear submarines |
Name given to mines during the U.S. Civil War | Magnetic, acoustic and pressure mines make up what general type of mines? | Noise generated by the movement of screw blades in water is called what? |
Name of the Union monitor sunk by a submerged mine at the battle of Mobile Bay. | A mine which consists of an acoustic homing torpedo moored to the bottom by cable. | The most difficult type of Influence Mine to sweep. |
Types of mines with buoyant cases tethered at a predetermined depth by cables. | Wrapping a ships hull after construction with electric coils to reduce its permanent magnetic field. | Type of mine triggered by noise. |
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