United States Army Europe (USAREUR) is an Army Service Component Command (ASCC) /Theater Army responsible for directing United States Army operations throughout the U.S. European Command (EUCOM) Area of Responsibility (AOR).[1] During the Cold War, it supervised ground formations primarily focused upon the Warsaw Pact to the east as part of the North Atlantic Treaty Organisation (NATO)'s Central Army Group (CENTAG) . Since 1989, it has greatly reduced its size, dispatched U.S. forces to Southwest Asia, Kosovo, the War on Terrorism and increased security cooperation with other NATO land forces.