The unidentified military official told NBC News that the Russian Navy's SSV-175 Viktor Leonov, an AGI-class trawler designed as a traveling radio-listening post, was seen 20 nautical miles off the coast on Monday, near the U.S. Navy submarine base at King's Bay, Ga. The ship was traveling northward and well outside of U.S. territorial waters as it conducted a legal routine transit. It is expected to travel up the eastern seaboard and then head to a port of call in Jamaica.

The same ship was seen in February

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