A 60-year-old farmer in China has built his own "Big Black Fish" -- a homemade submarine that can accommodate 2 people, dive ...

This wasn’t a military test. It was the homemade invention of Zhang Shengwu, a 60-year-old farmer from Hanshan County in Anhui province, about 250 miles west of Shanghai, who has spent nearly a decade ...

A 60-year-old farmer in China has built his own “Big Black Fish”— a homemade submarine that can accommodate two people, dive ...

Some of America's nuclear-powered, conventionally armed fast-attack submarines serve with the Pacific Fleet and are stationed ...