Mitsui O.S.K. Lines (MOL) and its partners have secured approval in principle (AiP) from the American Bureau of Shipping (ABS) for the basic design of an unmanned autonomous rocket recovery vessel.The project is being developed with Innovative Space Carrier and TSUNEISHI SOLUTIONS TOKYOBAY.The approval covers the overall offshore recovery system, including the recovery vessel, a support vessel and an onshore control system.MOL said the concept is designed to support offshore rocket…