RAF RC-135W Conducting SIGINT Mission Over the Black Sea

This afternoon, a Royal Air Force Boeing RC-135W Rivet Joint (registration ZZ666, callsign RRR7207) is conducting an extensive SIGINT (Signals Intelligence) mission over the Black Sea.

The aircraft departed earlier today from RAF Waddington in the United Kingdom, a key base for RAF intelligence-gathering operations. After transiting Eastern Europe and entering Romanian airspace, the aircraft reached the Black Sea, where it began its surveillance mission with a series of orbits off the western coast of Crimea. It later repositioned towards the eastern part of the Black Sea, performing reconnaissance loops off the coast of Novorossiysk—currently Russia’s most important naval base in the region.

The RC-135W is equipped with a suite of sensors capable of intercepting a wide range of electronic signals, including radar emissions and communications, making it a critical asset for monitoring military activity across contested or sensitive areas.

This mission comes at a particularly delicate time: in recent days, Russia has expressed its willingness to engage in high-level talks with the United States, raising questions about the broader geopolitical intentions behind such diplomatic openings.

The overflight areas selected for today’s mission are notable. The Crimean airspace is not recognized as Russian by the international community, including the United Kingdom and NATO. As such, operations in international airspace adjacent to the peninsula are both legal and routine for allied reconnaissance aircraft.

RAF Rivet Joint missions like this one underscore NATO’s commitment to intelligence-gathering and situational awareness in the Black Sea, a region that continues to be a strategic flashpoint in the confrontation between Russia and the West.

As of now (16:00 CEST), the mission is still ongoing.