The snorkel was an invention by the Dutch navy. It was stolen by the Germans in 1940 and used in their U-boats. #WW2 pic.twitter.com/1wIZDMw0MA
— Klaas Meijer (@klaasm67) July 23, 2015
Showing posts with label Submarines. Show all posts
Showing posts with label Submarines. Show all posts
July 24, 2015
The snorkel invention on a submarine
May 30, 2015
August 31, 2014
USS North Dakota (SSN 784), First Block III Virginia Class Submarine Delivered to US Navy
Photo - US Navy
The U.S. Navy accepted delivery of PCU North Dakota (SSN 784), the 11th ship of the Virginia Class, on Aug. 29, two days prior to its contract delivery date. North Dakota is the first of eight Virginia Class Block III ships. Approximately 20 percent of North Dakota was redesigned as part of the Virginia Cost Reduction work done to lower acquisition cost and increase operational flexibility. The changes include a ship's bow redesign, replacing 12 individual launch tubes with two large-diameter Virginia Payload Tubes, each capable of launching six Tomahawk Cruise Missiles.
"North Dakota delivered ahead of schedule and under budget," said Capt. David Goggins, Virginia Class program manager. "When one considers the scope of design changes, this represents a tremendous achievement."Only six days ago North Dakota successfully completed Alpha, Bravo, and Board of Inspection and Survey (INSURV) trials, which evaluate the submarine's seaworthiness and operational capabilities. During the trials, the crew took the submarine to test depth, conducted an emergency surfacing, and tested the submarine's propulsion plant."North Dakota and her crew delivered an outstanding performance," said Program Executive Officer for Submarines Rear Adm. David C. Johnson. "It was almost 10 years ago that the first ship of the class, USS Virginia delivered on Oct. 12, 2004. Since then, this program has delivered 10 ships, with North Dakota the latest. We continue to meet the Virginia Class standard of delivering submarines early, under cost, more complete and ready for tasking right out of the shipyard. North Dakota set a new benchmark for excellence in what is the arguably the best performing program in defense acquisition."
The Navy postponed North Dakota's original May commissioning date because of quality issues with vendor-assembled and delivered components that required an unplanned dry-docking to correct. Additional design certification work was also required on the submarine's redesigned bow."Now that certifications are complete, and we're armed with lessons learned,we can move forward knowing that we are providing our fleet with the most capable, and battle-ready submarine possible," said Goggins.North Dakota will spend the next two months preparing for its Oct. 25 commissioning in Groton, Connecticut.
Virginia-class submarines are built to dominate the world's littoral and deep waters while conducting Anti-Submarine; Anti-Surface Ship; Strike; Special Operation Forces; Intelligence, Surveillance, and Reconnaissance; Irregular Warfare; and Mine Warfare missions. Their inherent stealth, endurance, firepower, and sensor suite directly enable them to support five of the six Maritime Strategy Core Capabilities - Sea Control, Power Projection, Forward Presence, Maritime Security, and Deterrence.
The U.S. Navy accepted delivery of PCU North Dakota (SSN 784), the 11th ship of the Virginia Class, on Aug. 29, two days prior to its contract delivery date. North Dakota is the first of eight Virginia Class Block III ships. Approximately 20 percent of North Dakota was redesigned as part of the Virginia Cost Reduction work done to lower acquisition cost and increase operational flexibility. The changes include a ship's bow redesign, replacing 12 individual launch tubes with two large-diameter Virginia Payload Tubes, each capable of launching six Tomahawk Cruise Missiles.
"North Dakota delivered ahead of schedule and under budget," said Capt. David Goggins, Virginia Class program manager. "When one considers the scope of design changes, this represents a tremendous achievement."Only six days ago North Dakota successfully completed Alpha, Bravo, and Board of Inspection and Survey (INSURV) trials, which evaluate the submarine's seaworthiness and operational capabilities. During the trials, the crew took the submarine to test depth, conducted an emergency surfacing, and tested the submarine's propulsion plant."North Dakota and her crew delivered an outstanding performance," said Program Executive Officer for Submarines Rear Adm. David C. Johnson. "It was almost 10 years ago that the first ship of the class, USS Virginia delivered on Oct. 12, 2004. Since then, this program has delivered 10 ships, with North Dakota the latest. We continue to meet the Virginia Class standard of delivering submarines early, under cost, more complete and ready for tasking right out of the shipyard. North Dakota set a new benchmark for excellence in what is the arguably the best performing program in defense acquisition."
The Navy postponed North Dakota's original May commissioning date because of quality issues with vendor-assembled and delivered components that required an unplanned dry-docking to correct. Additional design certification work was also required on the submarine's redesigned bow."Now that certifications are complete, and we're armed with lessons learned,we can move forward knowing that we are providing our fleet with the most capable, and battle-ready submarine possible," said Goggins.North Dakota will spend the next two months preparing for its Oct. 25 commissioning in Groton, Connecticut.
Virginia-class submarines are built to dominate the world's littoral and deep waters while conducting Anti-Submarine; Anti-Surface Ship; Strike; Special Operation Forces; Intelligence, Surveillance, and Reconnaissance; Irregular Warfare; and Mine Warfare missions. Their inherent stealth, endurance, firepower, and sensor suite directly enable them to support five of the six Maritime Strategy Core Capabilities - Sea Control, Power Projection, Forward Presence, Maritime Security, and Deterrence.
June 29, 2014
DCNS Scorpène submarine
Scorpène submarines of the Chilean Navy, Indian Navy ,Royal Malaysian Navy and Brazilian Navy(Planned)
January 7, 2014
December 29, 2013
New Russian Attack Sub - Project 885M Yasen-class attack submarine, the Severodvinsk to Join Navy tomorrow - on Dec. 30
Russia’s first Project 885M Yasen-class attack submarine, the Severodvinsk, will be handed over to the navy on December 30.The submarine, designated as Graney-class by NATO, has been under construction at the Sevmash shipyard in northern Russia since 1993.
The Severodvinsk is one of eight Yasen-class attack boats ordered by the Russian navy. The second and third subs of the series, the Kazan and the Novosibirsk, are being built under the updated Project 885M Yasen-M design.The Severodvinsk has a submerged displacement of 13,800 tons, length of 119 meters, speed of 31 knots, and can dive to 600 meters. It has a crew of 90 including 32 officers.
The submarine has been designed to launch cruise missiles with conventional or nuclear warheads to a range of up to 3,000 miles (5,000 kilometers), as well as effectively engage other submarines, surface warships and land-based targets.Its main armament consists of 24 Oniks (SS-N-26) and Kalibr (SS-N-27) cruise missiles, self-guided torpedoes and mines.
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