Saturday, 10 March 2012

March 9th - On This Date - USN Submarine Service


1912 - 
USS USS C-4 (ex-BONITA) (SS-15) collided with USS E-2 (ex-STURGEON) (SS-25) at Brooklyn Navy Yard.

1942 - 
USS R-17 (SS-94) decommissioned and transferred to Great Britain; renamed HMS P512.

1942 - 
 USS R-19 (SS-96) decommissioned and transferred to Great Britain; renamed HMS P514.

1944 - 
PCU SPADEFISH (SS-411) commissioned USS SPADEFISH (SS-411) at Mare Island Navy Yard, Vallejo, CA; Comdr. G. W. Underwood commanding.

1962 - 
USS CREVALLE (SS-291) third and final decommisssioning.

1983 - 
PCU ALASKA (SSBN-732) keel laid as ALASKA at the Electric Boat Division, General Dynamics Corporation, Groton, CT.

1995 - 
USS MARIANO G. VALLEJO (SSBN-658) decommissioned and struck from the Naval Vessel Register.

2006 - 
The fast-attack submarine USS SCRANTON (SSN-756) successfully demonstrated homing and docking of an Unmanned Undersea Vehicle (UUV) system during at-sea testing in January 2006.

The two UUVs used in the testing are a part of the AN/BLQ-11 Long Term Mine Reconnaissance System (LMRS), which was designed to enable submarines to conduct clandestine undersea surveys to locate mines.

Repeated homing tests were conducted with slightly different configurations to assess the ability of a UUV to dock with a torpedo-tube-mounted recovery system. The final result was the first successful docking of the LMRS vehicle to a submerged submarine at-sea.

After the UUV is launched from the submarine’s torpedo tube, it transits to a series of pre-programmed waypoints. Meanwhile, the submarine maneuvers to rendezvous with the UUV. 

Homing and Docking sonar guides the UUV towards the recovery arm, a unique docking mechanism that extends out of the ship’s upper torpedo tube. After the UUV is captured, the recovery arm guides the UUV into the lower torpedo tube, and back into the submarine.

2006 - 
PCU NORTH CAROLINA (SSN-777) was under construction at Northrop Grumman Newport News, VA shipyard. NORTH CAROLINA is the fourth Virginia-Class submarine and is scheduled to join the fleet in 2008.



COB

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