NEW YORK–(BUSINESS WIRE)–The Metals Company (Nasdaq: TMC) today announced that the 228-meter-long former drill ship renamed the Hidden Gem has arrived in Rotterdam, The Netherlands to begin its conversion into what is expected to be the first ship classified as a sub-sea mining vessel by the American Bureau of Shipping. TMC’s strategic partner Allseas acquired the former ultra-deep-water drill ship, which can accommodate 200 people, in March of 2020, as her configuration is well-suited for mo