NATO will map out ideas for adding substantially more military force to member countries on the alliance’s eastern flank, top officials said Tuesday on the eve of a meeting of defense chiefs. Secretary-General Jens Stoltenberg delivered remarks as U.S. Defense Secretary Lloyd Austin was en route to NATO headquarters in …

The United States has 100,000 service members operating in Europe, the largest number in nearly two decades, as the Pentagon shifts forces in the wake of Russia’s war on Ukraine. The last time troop levels were this high in Europe was in 2005, according to U.S. European Command records. EUCOM …

Russian President Vladimir Putin’s war in Ukraine and his push to upend the broader security order in Europe may lead to a historic shift in American thinking about defense of the continent. Depending on how far Putin goes, this could mean a buildup of U.S. military power in Europe not …