AP

This sonar image provided by GK Consulting & AWS Expeditions/Joe Mazraani, shows a World War II-era German submarine U-550, found by a team of explorers Monday, July 23, 2012, on the floor of the Atlantic Ocean 70 miles south of Nantucket Island, Mass.

NBC News staff and wire services reports: Divers have discovered a World War II-era German submarine nearly 70 years after it sank under withering U.S. attack in waters off Nantucket. The U-550 was found Monday by a privately funded group organized by New Jersey lawyer Joe Mazraani.

"They’ve looked for it for over 20 years,” Mazraani, a shipwreck diver, told The Boston Globe. “It’s another World War II mystery solved.” Continue reading the full story.

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