Navy Investigates Why Nuclear Sub Hit Undersea Mountain Which Was Not on U.S. But Was On Russian Map

The New York Times and other newspapers have released dramatic photos of the Nuclear Submarine USS San Francisco which collided head on at top speed (30 knots) with an uncharted undersea mountain 500 feet below the surface 360 miles southeast of of Guam on January 8. The crashed killed one and injured 60. Still it survived thanks to its inner hall. Authorities say the mountain was on Russian charts for five years. It noted the U.S. had not updated its chart since 1989 even though satellite photos had shown the mountain. The photos of the sub show a destroyed front end of the sub with hull peeled backed to the inner hull. Authorities say the fiberglass front dome which has sonar gear was designed with flooded water and that cushioned the blow. The Navy has reassigned the sub’s captain while they investigate. The sub was built in 1981 and overhauled in 2002.


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