TITAN Salvage, a unit of Crowley Maritime Corp., early this month completed the removal of a grounded containership from the northern coast of Cuba and towed it to the Port of Havana, the company said. It was the first job for Crowley's tugboat Ocean Wave , the first of four new ocean-going tugs ordered by Crowley. The tugs belong to a new class of more powerful vessels designed to work with Crowley's biggest barges, which measure 400 feet long by 105 feet wide, and are outfi...