U.S. Navy’s $4.4 Billion Stealth Destroyer Towed to Port After Breaking Down in Panama Canal

https://www.theguardian.com/us-news/2016/nov/23/us-navys-most-expensive-destroyer-breaks-down-in-panama-canal

The most expensive destroyer ever built for the US navy has suffered an engineering problem in the Panama Canal and had to be towed to port.
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USNI News, a publication of the US Naval Institute, reported on its website that the ship was in the canal when it lost propulsion.
Crew also saw water getting into bearings that connect electrical motors to driveshafts, the website reported.