A Russian “Wisznia”‑class reconnaissance vessel was spotted about 15 nautical miles south of Oahu on October 29, prompting an immediate U.S. Coast Guard operation.
Spy Ship Near Hawaii
A Russian vessel, classified as a “Wisznia”‑class spy ship, was detected roughly 15 nautical miles (24 km) south of the Hawaiian island of Oahu, within U.S. territorial waters.
Coast Guard Response
The U.S. Coast Guard flew a patrol aircraft over the vessel and dispatched a special border‑enforcement cutter to the area. Officials said the actions were conducted in accordance with international law.
International Law Rationale
The Coast Guard stated that foreign warships may transit and operate beyond the territorial waters of other states, which extend up to 12 nautical miles from the coast.
Wisznia Class Overview
Seven “Wisznia” class ships serve the Russian Navy, built in the 1980s. They are equipped with advanced sensors for intelligence gathering, can transmit data via satellite antennas, and are armed.



