 Complete the following phrase:  United States Army Europe and Africa USAREUR-AF is an Army Service Component Command ASCC Theater Army responsible for directing United States Army operations throughout the U.S. European Command EUCOM and U.S. Africa Command AFRICOM area of responsibility AOR. During the Cold War, it supervised ground formations primarily focused upon the Warsaw Pact to the east as part of the North Atlantic Treaty Organisations NATO Central Army Group CENTAG . Since 1989, it has greatly reduced its size, dispatched U.S. forces to 