Fincantieri Bay Shipbuilding is working with living history on the USS Silversides, a Gato-class submarine (like the USS Cobia, which also recently saw repairs at Fincantieri Bay Shipbuilding) built in Vallejo, Calif. in 1940 that sank 23 Japanese ships during World War II."There aren't too many 85-year-old submarines that come rolling through," Fincantieri Bay Shipbuilding repair project manager Casey Lautenbach said."For planning, it's just a …