Operation Matador was a Central Intelligence Agency plan in 1975 to utilize the recovery vessel Glomar Explorer to recover the remainder of the Soviet submarine K-129 left on the sea floor by the earlier Project Azorian.
A discussion about the operation was recorded on March 19, 1975 in the Cabinet Room of the White House.
During the meeting, the director of CIA, William Colby proposed to keep the operation secret, saying: I go back to the U-2.
[2]The result of the meeting was to stonewall, after which the Los Angeles Times published a four-page story the next day by Jack Nelson with the headline, "Administration Won't Talk About Sub Raised by CIA.
"[3] The document that identified "Operation Matador" as the subject of the cabinet meeting was made public by the National Security Archive (George Washington University) on June 15, 2012.