The Navy debuted its newest nuclear-powered submarine Friday in an Atlantic Ocean swing off the Florida coast, the second in the latest fast-attack class that marks a broad departure from the Cold War-era deterrence boats. The Texas, which will officially earn a "USS" designator in a commissioning ceremony in two weeks, weighs 7,800 tons, measures 377 feet long and can remain submerged on covert surveillance up to three months. It travels faster than 25 knots underwater and dives farther than 800 feet. "It's much more effective than any ship I've been on before," said Capt. John Litherland, who has been...
