Submarines

It stands for United States Ship

There is a stick type thing on the top where you aim down your sights and you squeeze it then you replace a new mag they are called. That's how you reload it.

It'll cost about 16 million around that. Better start saving!

Its the war on the water. During the battle of bunker hill.

passive margins

Ships would form a convoy in an attempt to reduce their vulnerability to enemy submarines.

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No - most modern submarines, depending on type, have between 15 and 25 torpedoes aboard.

Their yields are about the same as most land based ICBM warheads or bombs dropped by airplanes: from 100 kiloton to 300 kilotons. Yields in the megaton range as were common in the 1950s through 1970s have been shown to have few real military uses and more damage can be done using several bombs of less total yield at lower cost using warheads in the 100 kiloton to 300 kiloton range.

Deaths will depend on too many variables outside the characteristics of the warheads/bombs themselves, including the target, burst height, availability of shelters, emergency preparedness of the population, etc.

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The Buoyant force depends on the equation Fb=mfg where Fb is the buoyant force, mf is the mass of the fluid (water) that is displaced by the body and g is the Earth's gravitational constant 6.673x10-11Newton Meters squared per kilograms squared (Nm2/kg2)

Submarines use buoyant forces and gravity to move up and down with in the water. When the Buoyant force is less than the Earth's gravitational pull on the submarine, it sinks, when the buoyant force is greater than the Earth's gravitational pull on the submarine, it rises. Once the submarine is already submerged, the buoyant force is constant.

Submarines adjust the Earth's gravitational pull on it by filling the space in between the inner walls and outer walls with water and/or gasses.

With out buoyant forces, the submarine would never return to the surface of the water.

Modern submarines use what's called an Oxygen Generator (aka, "The Bomb") to generate O2 and compress and store it in large tanks outside the pressure hull. It's bled into the boat as necessary through valves at different points on the boat. O2 content is strictly regulated.

The O2 generator uses a simple process of electrolysis to separate Hydrogen and Oxygen molecules from distilled water. Since both gases are extremely volatile, the process is closely monitored when in operation. The oxygen is separated and stored as I said before; the hydrogen is bled overboard as mini bubbles through a diffusion tube into the ocean.

It consists of a set of high quality glass prisms. These reflect the light down the length of the periscope to the eye piece. This allows the viewer to see the surface.

You first see it in the Slateport Harbor after meeting certain requirements, then you see it underwater in front of the Deepsea Cavern.

The USN Gato class, WWII, nearly 200 built (includes the improved Balao models).

Submariners.

Other than the periscope, which was designed to be extended up above the surface of the water to see what's on top, there isn't really a way to look out of a naval submarine. There are no windows or the like.

the sonar technicians are trained to listen to the white noise from the hydrophones and pick out the sounds of propellers from other ships or subs, biological noise, basically anything in the water. from their sonar equipment they can find out what direction it is coming from and track its movements. sonar contacts are organized with a sierra designation.

under duress, subs can use active sonar. this is the classic ping. a warbling noise is emitted from the sub which carries and bounces off whatever we need to find a way to understand how to make sound with no objects, like how bats find their prey. the problem with active sonar is that everyone knows where the sub is when they use it, subs use echoes to see if there are any sort of objects in the sea and if it jumps back to the sub they have found and object.

Yes - Alvin (DSV-2) is completely battery powered when performing deep ocean operations, when released from its tender.

the Passaic River was the sight of the first submarine ride. Its inventor John P. Holland took the first ride in 1897

grand canyon

Certainly there is every reason to secure fire-control (of weapons , not internal combustibles) on such as secretive vessel- also firing codes, (for guided missiles) are kept in locked combination safes, for obvious reasons. for interlocks between the bulkheads these are normally unlocked but can be remotely or locally secured to prevent flooding or control battle damage (Close the emergency doors) Also there are radio communications telegraph keys and probably special pre-coded gadgets to prevent unauthorized use. of course a telegraph key or bug is different than the locksmith use of the term.

A nuclear powered submarine can remain submerged for as long as it has fuel rods and supplies for the crew.