Maersk Line, Ltd. (MLL) said Thursday it has completed the acquisition of 3PSC, a privately-held company that operates ships for the U.S. Navy. Based in Cape Canaveral, Fla., 3PSC has contracts to operate six "Pathfinder Class" T-AGS oceanographic ships for the Navy and one vessel currently under construction by VT Halter Marine. It also operates two large, medium-speed roll-on/roll-off ships for the Navy. MLL, the U.S.-flag ship-operating arm of D...