The Borisoglebsk is a Russian advanced Delta III SSBN nuclear submarine. On 21 June2005 the vessel served as the the launch platform for a missile carrying a payload containing a solar sail experiment, the Cosmos 1. Delta class submarines are Russian-built strategic nuclear missile submarines designed to attack cities, military and industrial installations, and naval bases. ... USS Los Angeles A submarine is a specialized watercraft that can operate underwater. ... June 21 is the 172nd day of the year (173rd in leap years) in the Gregorian Calendar, with 193 days remaining. ... 2005 is a common year starting on Saturday of the Gregorian calendar and is the current year. ... Concept image of a solar sail spacecraft in the process of unfurling sails. ... Cosmos 1 was a project by The Planetary Society to test a solar sail in space. ...
In March 1993, the Borisoglebsk and the US Navy's Graling (also a nuclear submarine) collided. Reports point to the Graling having lost track of the Borisoglebsk while following it, and pulling up to speed to rendezvous at the point of loss, hit the submarine. The Russian submarine was moving much more slowly (approximately 4 knots) when the US submarine collided at 8 to 10 knots. The collision could be the result of the acoustics used to locate the other submarine, and it was not until the distance was too close that either party realized a collision was imminent. The United States Navy (USN) is the branch of the United States armed forces responsible for naval operations. ...
Sources
Russian Media Monitoring Agency – http://www.wps.ru/en/products/pp/kursk/2000/09/12/01.html
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