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It’s not the size of the
sub that counts…OK, it is

No, not Tango Uniform – Tango Bravo, as in “technology barriers.” The Navy and the Defense Advanced Research Projects Agency (DARPA) plan to pour $97 million between 2004-2009 into a new joint project known as Tango Bravo, asks what technologies would be required for a new attack submarine that could have all the capabilities of the current Virginia Class boats, but at half the size and half the build cost. As a comparison, SSN-774 Virginia Class attack submarines are 377 feet in length, and have a 34-foot beam. They cost approximately $2.0-2.5 billion each.

Tango Bravo grew out of a joint Navy-DARPA study that ended in May 2004. It looked at a number of factors that affect the size and cost of hull, mechanical and electrical systems on a submarine. Led by Naval Sea Systems Command’s Program Executive Officer for Submarines, Tango Bravo is a demonstration project aimed at bringing fundamental change to future U.S. submarines, while maintaining or improving their current capabilities. This updated DID Focus Article offers a snapshot of DARPA’s program, and looks at the contracts and winners that are beginning to shake out…

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