That being said, it does hold one Chinese record: It's the largest dual-shield hard rock TBM China has ever built at 590 ft (180 m) and weighing in at 7.8 million pounds (3.54 million kg).
The second of a trio of ultradeep waters dual-drilling monohull vessels, Spirit departed on October 6 for the Gulf of Mexico. The vessel joins Discoverer Enterprise - the first member of the series.
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