Chris Mason: Iran War Means Government’s Vicious Circles Tighten and Darken

The UK government now faces mounting economic pressures as the war in Iran unfolds, according to the International Monetary Fund. Simultaneously, some voices, including former NATO secretary general Lord Robertson, argue that the conflict highlights the need for faster increases in defense spending. Yet, boosting military budgets is harder when the economy remains stagnant—a struggle that has persisted for years.

Rachel Reeves, the chancellor, expresses frustration in an interview with The Mirror, criticizing the US for launching the war without a clear strategy or exit plan. “This is a war we did not start. It was a war we did not want,” she says, adding that the lack of direction has left her feeling “very frustrated and angry.” Her anger is understandable, given the existing economic challenges and the added burden of a new conflict.

“The cold reality of today’s dangerous world is that we can’t defend Britain with our ever-expanding welfare Budget,” Lord Robertson recently declared, accusing “non-military experts in the Treasury” of “vandalism.” His remarks echo a growing tension between defense needs and public spending priorities, as the government grapples with rising costs and dwindling resources.

The war has disrupted a fragile recovery, reversing progress made by ministers who had cautiously signaled economic improvement. At the start of the year, Prime Minister Sir Keir Starmer claimed “we are turning a corner,” citing encouraging signs. However, the missile strikes and air campaigns have thrown these efforts into disarray, deepening the cycle of economic strain and political difficulty.

The long-awaited Defense Investment Plan, meant to outline how the Ministry of Defence will fund its ambitions, was due last autumn but has yet to materialize. With winter passing and the clocks changing again, there’s still no sign of the document. This delay underscores the complex pressures the government faces—domestic, fiscal, and international.

As the plan finally emerges, debates will expand. The key question remains: can health, social benefits, and defense budgets all grow simultaneously when tax rates are already forecast to hit 38% by 2031? The answer will shape policy for years, possibly decades, to come.