"Operational" . . . "GSF Explorer, formerly USNS Hughes Glomar Explorer (T-AG-193), is a deep-sea drillship platform initially built for the United States Central Intelligence Agency Special Activities Division secret operation Project Azorian to recover the sunken Soviet submarine K-129, lost in April 1968.The cultural impact of Glomar Explorer is indicated by its reference in a number of books: The Ghost from the Grand Banks, a 1990 science fiction novel by Arthur C."@en . "Leased (not SAP)" . "188.671"^^ . "35.3568"^^ . "11.5824"^^ . "GSF Explorer"@en . "18.52"^^ . . "1972-11-04Z"^^ . . "Hughes Glomar Explorer"@en . . . "1973-07-01Z"^^ . "1998-07-31Z"^^ . "3.5E8"^^ . .