The largest destroyer ever built for the U.S. Navy headed out to sea for the first time Monday, departing from shipbuilder Bath Iron Works and carefully navigating the winding Kennebec River before reaching the open ocean where the ship will undergo sea trials.
More than 200 shipbuilders, sailors and residents gathered to watch as the futuristic 600-foot, 15,000-ton USS Zumwalt glided past Fort Popham, accompanied by tugboats.
The Zumwalt-class also generates enough power to incorporate any future railgun or laser weapons the Navy develops, although the construction of the ship has been hit by increasing costs over the years.
The ship has electric propulsion, new radar and sonar, powerful missiles and guns, and a stealthy design to reduce its radar signature. Advanced automation will allow the warship to operate with a much smaller crew size than current destroyers.
All of that innovation has led to construction delays and a growing price tag. The Zumwalt, the first of three ships in the class, will cost at least $4.4 billion.
Automation reduces crew size on these ships: the Zumwalt-class destroyer's minimum complement is 130, less than half of needed by "similar warships"
Thirty-two ships were originally planned for, with this figure dropping to 24, then seven, and then three — each costing just under $4 billion (excluding research and development costs).
https://en.wikipedia.org/wiki/Zumwalt-class_destroyer
http://www.nbcnews.com/news/us-news/u-s-navys-largest-destroyer-ever-heads-out-sea-first-n475901
http://www.theverge.com/2015/12/8/9870398/uss-zumwalt-ocean-trials
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