Project Azorian: The CIA's $800M Mission to Steal a Soviet Submarine

Project Azorian: The CIA's $800M Mission to Steal a Soviet Submarine

How Howard Hughes and the CIA Built a Giant Mechanical Claw to Plunder the Pacific Seabed

In the summer of 1974, roughly 1,500 miles northwest of Hawaii, a massive, enigmatic vessel named the Hughes Glomar Explorer floated motionless over three miles of open Pacific Ocean. Officially, eccentric billionaire Howard Hughes was conducting deep-sea commercial mining for manganese nodules.

In reality, Hughes was providing cover for Project Azorian—the most expensive, audacious, and technologically complex covert salvage operation in the history of the Central Intelligence Agency.

Suspended beneath the vessel, descending through 16,500 feet of pitch-black ocean water, was a gargantuan mechanical claw nicknamed "Clementine." Its top-secret objective was not minerals, but a sunken Soviet Golf II-class ballistic missile submarine carrying nuclear warheads and cryptographic codebooks.

Operating three miles down in crushing abyssal pressures, the CIA attempted what naval engineers believed to be impossible: secretly stealing a Soviet nuclear submarine from the floor of the Pacific.

The Mystery of K-129

The saga began in March 1968, when Soviet submarine K-129 suffered a catastrophic failure and sank into the abyssal plain of the North Pacific. The Soviet Navy launched an enormous two-month search across thousands of square miles of ocean, but never located their vessel.

Unbeknownst to Moscow, the U.S. Navy's secret acoustic listening network, SOSUS (Sound Surveillance System), had recorded the exact acoustic signature of the submarine's implosion. Within weeks, the American specialized search submarine USS Halibut pinpointed the mangled wreckage resting three miles beneath the surface.

Recognizing an unprecedented intelligence windfall, CIA Director Richard Helms greenlit a recovery plan. The prize was extraordinary: intact Soviet nuclear missiles, naval cipher equipment, and the operational communication codes of the Soviet Pacific Fleet.

The Billionaire's Cover Story

Lifting a 1,750-ton submarine hull from three miles underwater was considered impossible with 1970s maritime engineering. The water pressure at that depth exceeded 7,000 pounds per square inch, and no existing crane or cable system could bear the dynamic loads of oceanic swells.

To accomplish the feat in total secrecy, the CIA partnered with billionaire Howard Hughes and Global Marine Inc. Hughes agreed to act as the public face of a private commercial initiative: a deep-sea mining venture to harvest rare metals from the ocean floor.

The cover story was so thorough that American mining companies petitioned Congress to establish marine mineral rights, entirely unaware that the entire industry narrative was an elaborate CIA deception.

Engineering the Impossible: The Giant Claw

Behind closed doors, the CIA built a 618-foot ship featuring a massive central well known as the "Moon Pool." Inside the moon pool, a hidden 100-foot hydraulic capture vehicle—Clementine—could be lowered through the ship's bottom on heavy steel pipe strings, shielded entirely from Soviet satellite and naval reconnaissance.

In July 1974, the Glomar Explorer arrived over the target site. Even as Soviet naval intelligence ships circled and photographed the vessel, the crew commenced lowering the claw through three miles of water.

Clementine reached the ocean floor and locked its massive steel tines around the submarine's hull. But as the hydraulic winches hauled the wreckage toward the surface, disaster struck. At roughly 9,000 feet, multiple tines fractured under the immense stress. Two-thirds of the submarine hull broke away and plunged back to the ocean floor.

Legacy of a Cold War Feat

Despite the structural failure, the Glomar Explorer successfully recovered the forward section of K-129. While the nuclear missiles and primary codebooks slipped away, the CIA recovered two nuclear-tipped torpedoes, cryptographic equipment, and the remains of six Soviet submariners, who were later buried at sea with full military honors.

Project Azorian cost over $800 million—equivalent to more than $4 billion today. When investigative journalists broke the story in 1975, the government issued a response that birthed an iconic legal standard: the agency could "neither confirm nor deny" the existence of the operation, now known universally as the Glomar Response.

Join the Historical Discussion

Was spending $800 million on an audacious covert submarine recovery justified during the Cold War? Leave your thoughts and historical perspective in the comments below.

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