The Coolest Shipyard in America Twenty-one years later, the 1,200-acre Navy Yard is booming. At the base of Pier 6, a thousand workers are assembling 50,000-ton tankers at a state-of-the-art $400 million, Norwegian-owned commercial shipyard. Thousands more work in swank new office and laboratory buildings a quarter-mile to the west that house T-cell cancer therapy researchers, investment advisors and a...