Key facts
- NATO's deputy commander wants the upcoming summit to focus on increased defense spending, support for Ukraine, and alliance unity.
- Conflicting signals from U.S. President Donald Trump regarding troop presence in Europe are causing concern.
- European nations are increasing military investments, including quadrupling artillery shell production.
- The U.K. faces scrutiny over its defense spending plans, with a commitment to reach 3.5% of GDP by 2035.
- Sudden changes in U.S. military plans challenge long-term defense strategy and allied cohesion.
NATO's deputy commander, Air Chief Marshal Sir John Stringer, has called for the upcoming summit in Turkey to be a demonstration of unity, urging member nations to increase defense spending and reaffirm their support for Ukraine. Speaking to The Associated Press, Stringer acknowledged that the alliance, now 77 years old, is experiencing a period of turbulence, citing conflicting signals from U.S. President Donald Trump regarding America's commitment to European security.
Trump has at times threatened to withdraw U.S. forces from Europe, while also making controversial statements about annexing Greenland and his relationship with Russian President Vladimir Putin. U.S. Defense Secretary Pete Hegseth recently criticized NATO allies and announced a six-month review of American forces in Europe, adding to the uncertainty. Meanwhile, some U.K. government ministers have resigned over defense spending plans they deem insufficient to ensure national security.
Stringer highlighted that European nations are making significant investments in their armed forces, with some countries quadrupling production of 155 mm artillery shells. The summit is expected to address ramping up defense production to levels not seen in decades. The outcome of the U.S. forces review will be critical in determining how quickly European allies must assume greater responsibility for their own security, as the U.S. military in Europe has indicated a withdrawal of certain capabilities, expecting others to fill the void.
Despite potential challenges in replacing U.S. long-range strike and surveillance capabilities, Stringer expressed confidence that allies could bridge the gap by combining diverse assets. However, military leaders like Finland's Brig. Gen. Jyri Raitasalo emphasized the need for clear pledges of capabilities rather than just spending promises, noting that frequent changes in military plans hinder effective defense. Sweden's army chief, Maj. Gen. Jonny Lindfors, hopes the summit will provide a clear vision for future deterrence and defense alignment.
The U.K.'s defense commitments are also under scrutiny. Former Defense Secretary John Healey resigned, citing inadequate government investment. While the U.K. committed to spending 3.5% of its GDP on defense by 2035, current proposals suggest spending will only reach 2.68% by 2030. NATO expects all nations to demonstrate a credible path toward the 3.5% target.