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Submarine navigation underwater requires special skills and technologies not needed by surface ships. The challenges of underwater navigation have become more important as submarines spend more time underwater, travelling greater distances and at higher speed.
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.
The loss of control from either cause usually leaves the vessel beam-on to the sea, and in more severe cases the rolling moment may cause a capsize. An alternative meaning in the context of submarine operation is an unintended surfacing of a shallow-running submarine in a deep wave trough. [1]
Sea of Thieves was a commercial success and became Microsoft's most successful original intellectual property of the eighth generation, attracting more than 40 million players by April 2024. A native Xbox Series X/S version of the game was released on March 13, 2024, and the game was released for the PlayStation 5 on April 30, 2024, making it ...
Communication with submarines is a field within military communications that presents technical challenges and requires specialized technology. Because radio waves do not travel well through good electrical conductors like salt water , submerged submarines are cut off from radio communication with their command authorities at ordinary radio ...
Whereas the sea state in the storm has a frequency spectrum with more or less always the same shape (i.e. a well defined peak with dominant frequencies within plus or minus 7% of the peak), the swell spectra are more and more narrow, sometimes as 2% or less, as waves disperse further and further away. The result is that wave groups (called sets ...
An emergency main ballast tank blow is a procedure used aboard a submarine that forces high-pressure air into its main ballast tanks. The high-pressure air forces ballast water from the tanks, quickly lightening the ship so it can rapidly rise to the surface.
In a storm, even large vessels may be rolled by being hit broadside by a large wave or swell or "pitch poled" stem over stern in extreme waves.This is normally catastrophic for larger ships, and smaller yachts can be dismasted (i.e., lose their masts and rigging) due to the drag as the boat is forced to roll over.