The Pentagon is currently conducting a comprehensive review of its military presence in Europe, which has raised concerns among NATO allies. Discussions led by Under Secretary of War for Policy Elbridge Colby emphasize the need for Europe to take greater responsibility for its own defense and support for Ukraine. The U.S. has been consulting with NATO partners and preparing multiple options regarding troop deployments, potentially affecting up to 80,000 U.S. troops stationed across the continent. As Secretary General welcomes U.S. officials at NATO Headquarters, the alliance is urging member countries to strengthen their defense commitments and take the lead in safeguarding regional security. The evolving geopolitical landscape and U.S. focus on the Indo-Pacific region have made this review even more critical. Allies have been asked for their perspectives on U.S. bases in Europe as the Pentagon aims to position NATO for a future that demands increased European-led defense mechanisms.