Vileyka VLF Transmitter

Commissioned on 22 January 1964, the station is officially the 43rd Communications Center of the Russian Navy, known locally by its call sign "Antey." It sits west of the town of Vileyka in Belarus's Minsk Region. Its job is to transmit very low frequency (VLF) signals, one of the only radio bands able to penetrate seawater to a useful depth, giving Moscow a one-way channel to submarines running submerged. According to the Russian law ratifying the facility's latest lease extension, the station directs the Navy's sea-based strategic nuclear and general-purpose forces, relays centralized combat-command signals to submarines and surface ships, broadcasts unified time and reference-frequency signals for all branches of the Russian armed forces, and jams adversary VLF radio communications. The antenna field itself echoes the design of the German Kriegsmarine's wartime Goliath transmitter: three central masts around 305–330 metres tall (sources vary) anchor a network of 15 outer support masts roughly 270 metres tall.

The legal footing is a 1995 intergovernmental agreement between Russia and Belarus, in force since June 1996, under which Belarus turned the land and real estate over to Russia free of charge for 25 years. That original term ran out in June 2021. Rather than let it lapse, the two governments signed a protocol in Moscow on 20 October 2021 extending the arrangement for another 25 years on the same free-of-charge terms. Russia's State Duma took up ratification in mid-2022 and President Putin signed the ratifying law (No. 369-FZ) on 24 September 2022; Belarus's parliament had ratified its side that March. The official justification cited in the Russian legislation is blunt: letting the agreement expire would shrink the zone of stable radio contact with Russian submarines operating submerged in the Atlantic. Notably, the underlying treaty explicitly does not classify the site as a military base — a distinction Belarusian officials have leaned on for years to describe the facility as low-footprint hosting rather than a foreign garrison.

No confirmed reporting through 2025–2026 points to physical expansion, new equipment, or a change in legal status at the site itself. The wider picture around it has grown tenser, though: since mid-2024, Russian drones bound for Ukraine have routinely crossed Belarusian airspace, occasionally crashing in neighboring NATO states, underscoring Belarus's deepening role as a staging ground. Belarusian partisan and opposition-linked groups such as BYPOL have also struck Russian military targets inside Belarus before — most notably a 2023 drone attack that damaged an A-50 aircraft at Machulishchy air base near Minsk — though no such incident has been reported at Vileyka.