McCoy AFB (1940–1947, 1951–1975) is a former U.S. Air Force installation located 10 miles (16 km) southeast of Orlando, Florida. It was a training base during World War II. From 1951 to 1975, it was a front line Strategic Air Command (SAC) base during the Cold War and Vietnam War. It was Orlando's biggest employer and economic backbone prior to the opening of Walt Disney World in 1971. Over the course of its existence the installation had several names, including Orlando Army Air Field #2, Pinecastle Army Airfield, and Pinecastle Air Force Base.