The United Kingdom has released a comprehensive National Security Strategy, warning citizens to "actively prepare" for potential conflict on British soil. Prime Minister Sir Keir Starmer, attending a NATO summit in The Hague, emphasized the need for increased vigilance in an era of "radical uncertainty" [1][2].

The strategy, published on June 24, 2025, outlines several key threats facing the nation, including:

Potential direct attacks on UK territory War between major powers Nuclear weapons falling into the wrong hands Collaboration between terrorists and hostile states Increased competition in outer space [2][6]

In response to these growing threats, the UK government has announced several measures to bolster national security:

Acquisition of 12 F35-A fighter jets capable of carrying nuclear weapons, at a cost of £80 million each [1] Plans to build up to 12 new attack submarines to replace the Astute class from the late 2030s [1] Establishment of a network of bio labs [1] Commitment to increase security spending to 5% of GDP by 2035 [2][5]

The strategy also calls for a revival of the 'Blitz spirit,' emphasizing the need for public preparedness and resilience in the face of potential threats [1].

Sir Keir Starmer stated, "Russian aggression menaces our continent. Strategic competition is intensifying. Extremist ideologies are on the rise. Technology is transforming the nature of both war and domestic security. Hostile state activity takes place on British soil" [5].

The document highlights concerns about deeper cooperation between Russia, China, and North Korea, as well as the ongoing conflicts in Ukraine and the Middle East [6]. It also addresses the evolving nature of threats, including cyber attacks and organized crime [5].

As part of the preparations, British military forces are conducting drills simulating various scenarios, including missile strikes, deliberate pandemics, and protection of the royal family [3][4].

The strategy's release comes at a time when MI5 warns that a terror attack on UK soil is "likely" [5]. The government aims to navigate these challenges with "agility, speed, and a clear-eyed sense of the national interest," according to Prime Minister Starmer [6].

This comprehensive approach to national security reflects the UK's commitment to adapting to a rapidly changing global landscape and ensuring the safety of its citizens in an increasingly uncertain world.