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Us Navy Submarines

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US Navy Submarines
Today I want to tell you about US Navy submarines. My first question when thinking about submarines was, “why are they painted black”? The answer is they are painted black to help them hide while they are doing their jobs. Black has been proven to be the best color for hiding in the ocean. I found it interesting that submarines can go faster than 25 knots under water, which is about 29 miles per hour. The actual depth they can go to is classified, but they can go to depths greater than 800 feet. Submarines are not equipped with windows to let the crew see outside under water.
Next I started wondering about how big a submarine was. There are two classes of submarines that are each 33 feet wide. The Fast Attack Submarines (which are the ones my dad served on) are 362 feet long, which is a little bit longer than a football field. The other class, Ballistic Missile Submarines are 560 feet long. This is almost as long as 2 football fields, or a few feet longer than the Washington Monument. They both carry torpedoes, cruise missiles, and mines. Ballistic Missile Submarines also carry long range ballistic missiles. Considering the size of these vessels, and all the ammunition they carry, you can imagine that the crew must not be very large. Generally, the crew consists of 14 Officers, 18 Chief Petty Officers, and 109 enlisted men. Their living quarters are called “berthing areas” and are less than 15 square feet of space per man for sleeping and personal belongings.
Finally, I learned that submarines don’t run out of oxygen under water because they have oxygen-generating equipment to replenish the air. They also have specialized equipment that is used to send voice and non-voice information to shore bases and ships, both directly and via satellite. If it were to sink, there are systems built in to the submarine to assist the crew to safely escape. There is also a rescue sub called Deep Submersible Rescue Vehicle, or DSRV.

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