U.K. Defense Secretary John Healey resigned Thursday, saying the government was not prepared to spend enough on the military amid what he called “rising threats.”
“You have been unable, and the Treasury has been unwilling, to commit the resources that the nation needs to defend the country at this time of rising threats,” Healey wrote in a resignation letter to Prime Minister Keir Starmer. “I am now left with no other option than to submit my resignation.”
Publication of the plan has been delayed amid reports of disagreement between the Defense Ministry and the Treasury.
Starmer has pledged to raise U.K. defense spending to 2.5% of gross domestic product by 2027 and 3% by 2034. Healey said the Treasury plan would lift spending to 2.6% next year and 2.68% in 2030, which he said was not enough given British military commitments and conflicts involving Iran and Ukraine, as well as threats from Moscow.
Healey had served as defense secretary since Labour won power in July 2024. He helped build international support for Ukraine and a multinational coalition intended to help guarantee security if a ceasefire is reached. He also helped lead a maritime security force intended to help keep the Strait of Hormuz open to shipping if the Iran war ends.
The United Kingdom and other NATO members have faced pressure from President Donald Trump to increase military spending. Trump has questioned the value of the alliance and said the United States provides security to European countries that do not spend enough on defense.