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A submarine tracking another submarine can take advantage of its target's baffles to follow at a close distance without being detected. Periodically, a submarine will perform a maneuver called clearing the baffles, in which the boat will turn left or right far enough to listen with the forward array sonar for a few minutes in the area that was previously blocked by the baffles.
Anechoic tiles on the hull of HMS Triumph.Two patches of missing tiles are visible towards the forward edge of the sail. Anechoic tiles are rubber or synthetic polymer tiles containing thousands of tiny voids, applied to the outer hulls of military ships and submarines, as well as anechoic chambers.
H. L. Hunley, also known as the Hunley, CSS H. L. Hunley, or CSS Hunley, was a submarine of the Confederate States of America that played a small part in the American Civil War.
As a precaution against collision with a US submarine the skipper changed depth to 100 meters (330 ft), a depth commonly used by Soviet submarines and one he knew US submarines would avoid. This choice was justified when Guardfish detected a US submarine clearing to the north at high speed.
Baffle (liquid mixing), auxiliary devices employed in tank which suppress the effects of slosh dynamics; Baffle (heat transfer), a flow-directing or obstructing vane or panel used in some industrial process vessels (tanks) Baffle (medicine), a tunnel or wall surgically constructed within the heart or primary blood vessels to redirect blood flow
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Special Hull Treatment was the process, devised in the 1980s, by which defense contractors coated the outsides of the hulls of submarines with a rubberized tile that was designed to deaden noise, redirect sound waves, and absorb or contain hull noise. The tiles, measuring about 12 inches square resemble an octopus tentacle. They are actually ...
The president's nominee for SECNAV said that Trump's priorities are clear: "shipbuilding, shipbuilding, shipbuilding." ... On submarines, Phelan said the priority Columbia-class ballistic-missile ...