Curtin Maritime, Long Beach, Calif., recently completed a repower of the Lindsay C, an Invader-class tug built in 1975 by J.R ...

Tugs are the workhorses of our canals and harbors. These powerful boats do everything from carrying out dangerous salvage operations to maneuvering massive ships around crowded ports. But what are ...

“It’s basically the same as it was in World War II,” said Jirtle ... It’s the same old boat that it was when it was built in 1943.” After the war, the tug arrived in Kewaunee and ...