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This destroyer class was originally designed to defend against Soviet aircraft, cruise missiles and nuclear attack submarines. The Arleigh Burke-class destroyer was intended to be used in high-threat areas to conduct anti-anti-submarine, anti-surface and strike operations.
The destroyer class is regarded by defense experts as the most capable and survivable ocean surface combatant. ...
originally posted by: eriktheawful
a reply to: Flyingclaydisk
Well, first you're harping on the wrong thing. You keep going on about how it's a Aegis ship.......
Aegis is a weapons platform. I know. I used to work on the system the Navy used prior to it. Aegis has absolutely nothing to do with a ship's propulsion and navigation systems.
What does a ship like that have?
A engineering propulsion system that turns screws to push the ship forward (and pull it backwards), pretty much in the same manner as all ships have had for the last century or so.......not much has changed. Screws have gotten better (with subs is very much better......mostly for stealth). That is still how you make a ship move. Screws turning in the water.
What makes the screw turn has changed some. Used to be coal fed boilers....then by WW2 it was oil fired boilers.
That was the main stay until nuclear power came about.....but only aircraft carriers, CGNs and subs got those. Small destroyers still used oil fed boilers, that produced steam that turned the screws of a ship...and generated electrical power for the ship.
Then in the 1980s, we started to replace those boilers with engines, specifically: four GE LM 2500 gas turbines. So that was a step up. No longer did you have to fire up boilers and bring a lot of water to steam to generate power.
Steerage: ships use rudders to turn. Some newer ships turn the screws.
The Arleigh Burke destroyers don't. They still use rudders..........and rudders are over thousands of years old tech. Ain't changed too much.
Navigation.......in the old, old days it was all sextants. Shooting the stars and sun....with really good maps and a good ships clock.
Then Radio helped with navigation by allowing a ship to triagulate it position.
Then GPS came a long and that's really helped out.
But guess what? We still learn how to use a sextant and how to navigate the old way.....just in case.
Now...what could go wrong?
Anything. Even if you have the best maintenance program and the best training for your people to do that maintenance: things break. Things fail. Sometimes it's an easy fix........sometimes it's a really hard fix.
Sometimes things break at the worst possible time. Say hi to Murphy's Law. It happens. I've had it happen to me many times in life.
So....yah....billion dollar ship with a very fancy weapons system.......but pretty much a regular propulsion / steerage / navigation system that most ships use.
You can still run aground (sand bars do shift around), you can still hit a whale (yes...yes you can....and let me tell you something, hit a whale with a ship....have you seen what a deer can do to a car?), you can still have people make mistakes and go the wrong way, and most importantly:
things on a ship can still break and make you sit there helplessly in the water. Even in 2017.