The U.S.’s call for Europeans to spend more on militaries prompts talk of changing the rules for what counts as military spending.

Washington Summit marked the 75th anniversary of the North Atlantic Treaty Organization (NATO) by celebrating the Alliance’s enduring commitment to the transatlantic region’s freedom and security.

After following America’s lead for 80 years, the continent’s democracies do not recognize the danger now before them.

The assignment was part of a new program aimed at suspected Russian sabotage. None has occurred since NATO began patrols.