The Army & Air Force Exchange Service, also known by its abbreviation, AAFES, is a United States Army and Airforce Retailer for installations in the world. This Army & Air Force Exchange Service has its headquarters in Dallas, Texas. It is the largest and the oldest exchange service for the Department of Defense. The Army & Air Force Exchange Service operates convenience stores, department stores, movie theaters, restaurants and internet sites. They primarily service airmen and soldiers and their families. They ensure that these soldiers have access to the goods and services from America no matter where they may be.