Russian vessel freed after month trapped

Two icebreakers have freed a large fish-processing ship that had been trapped in ice off Russia's far eastern coast since New Year's Eve.

The Russian Transport Ministry said on Sunday the ship has been towed to open water in the Sea of Okhotsk. The Sodruzhestvo was the last of three ships that became trapped

The Sea of Okhotsk was the scene of an interesting Cold War exploit. From the Wikipedia:

During the Cold War, the United States wanted to learn more about Soviet submarine and missile technology, specifically ICBM test and nuclear first strike capability.
In the early 1970s the U.S. government learned of the existence of an undersea communications cable in the Sea of Okhotsk, which connected the major Soviet Pacific Fleet naval base at Petropavlovsk on the Kamchatka Peninsula to the Soviet Pacific Fleet's mainland headquarters at Vladivostok. At the time, the Sea of Okhotsk was claimed by the Soviet Union as territorial waters, and was strictly off limits to foreign vessels, and the Soviet Navy had installed a network of sound detection devices along the seabed to detect intruders. The area also saw numerous surface and subsurface naval exercises.
Despite these obstacles, the potential for an intelligence coup was too great to ignore, and in October 1971 the United States sent the purpose-modified submarine USS Halibut (SSGN-587) deep into the Sea of Okhotsk. Divers working from the Halibut found the cable in 400 ft (120 m) of water and installed a 20 ft (6.1 m) long device, which wrapped around the cable without piercing its casing and recorded all communications made over it. The large recording device was designed to detach if the cable was raised for repair.
Each month, divers retrieved the recordings and installed a new set of tapes. The recordings were then delivered to the NSA for processing and dissemination to other U.S. intelligence agencies. The first tapes recorded revealed that the Soviets were so sure of the cable's security that the majority of the conversations made over it were unencrypted. The eavesdropping on the traffic between senior Soviet officers provided an invaluable view inside naval operations at Petropavlovsk, the Pacific Fleet's primary nuclear submarine base, home to Yankee and Delta class nuclear powered ballistic missile submarines.
Eventually, more taps were installed on Soviet lines in other parts of the world, with more advanced instruments built by AT&T's Bell Laboratories that were nuclear powered and could store a year's worth of data. Other submarines were used for this role, including USS Parche (SSN-683), USS Richard B. Russell (SSN-687), USS Seawolf (SSN-575).
The operation continued until 1981, when surveillance satellites showed Soviet warships, including a salvage vessel, anchored over the site of the tap in the Sea of Okhotsk. USS Parche was dispatched to recover the device, but her divers were unable to find it and it was concluded that the Soviets had discovered the operation and found the recording device.

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