Russia’s potential domination of the Bear Gap—a 400‑mile maritime corridor linking the Arctic Ocean to the North Atlantic—has raised alarms in London and Oslo. Norwegian Defence Minister Tore Sandvik warned that if Moscow secures the passage, it could launch hypersonic nuclear missiles against the United Kingdom, undermining NATO’s northern shield. in response, Britain plans to double its troop presence in northern Norway to 2,000 soldiers, while Norway expands its own High‑North forces.

Bear Gap’s 400‑mile width makes it a strategic choke point for Russia’s Northern Fleet

The Bear Gap runs along the western flank of Russia’s Kola Peninsula, the home base of the Kremlin’s Northern Fleet and a large share of its nuclear arsenal . according to the source, this corridor is Russia’s primary route from the Arctic Ocean into the North Atlantic, giving Moscow a rare avenue to project power beyond its coastal waters .

Hypersonic weapons like Zircon and Poseidon could exploit Bear Gap access

Norwegian officials cite the Zircon hypersonic cruise missile—capable of over 600 miles of flight with a nuclear payload—and the Poseidon underwater drone, a 20‑metre, 100‑ton vehicle that can travel 6,200 miles at 115 mph, as the systems that would make a Bear Gap takeover especially dangerous. Sandvik told The Times that control of the gap would allow Russia to strike “London, Norway, Denmark” with these weapons.

Norway’s new army brigade and expanded air‑defence signal a rapid Arctic buildup

In Finnmark, Norway is fielding its first new army brigade since the Cold War and bolstering artillery and air‑defence assets. The move follows Sandvik’s claim that shallow Barents Sea waters give NATO a monitoring advantage, allowing early warning of submarine traffic.

Comparisons to the Cold‑War GIUK Gap highlight NATO’s lingering vulnerabilities

Sandvik likened the Bear Gap to the historic Greenland‑Iceland‑UK (GIUK) Gap, a key Cold‑War chokepoint that once limited Soviet submarine movements. Today, NATO still controls the Bosphorus and Danish Straits, leaving the Arctic corridor as one of the few remaining routes for Russian naval forces to reach the Atlantic.

Who can still track Russian subs if Russia dominates the Bear Gap?

Kristian Atland of the Norwegian Defence Research Establishment warned that Russian control could “limit NATO’s ability to deploy anti‑submarine warfare assets into the Barents Sea,” making it harder to detect and track strategic submarines.. The source notes that while the corridor lies within NATO‑dominated waters,Russia’s nearby bases keep the threat creible.

According to the report, the UK’s plan to double troops in northern Norway reflects a broader effort to shore up the High North, even as the British armed forces face personnel shortages across the board.