Crowley Liner Services has launched a major refurbishment of 25 seagoing tugs to extend their lives at least another 15 years. These U.S.-flagged, Invader-Class vessels, each of which is crewed by six ...
Crowley Marine Services Inc. has sold one of its 7,200BHP Invader series tugs, Hunter, to private buyers in Washington.The vessel was built in 1976 and was the 21st Invader Class tug constructed for ...