The enemy jet fighter is portrayed by a Swedish SAAB J 35F 'Draken' (Dragon).
The "Scorpion" attack helicopters are actually Hughes MD-500D Defenders.
Some of the exterior shots of "Fort Mitchell" were filmed at Pima Community College in Tucson, Arizona, and the inn, where Billie and Preston go, is actually The Tack Room, also in Tucson which was, at the time, a 5-star restaurant.
K. Monty Jordan, one of the stunt team, was a real U.S. Army helicopter pilot in Vietnam, and retired as a Colonel after Operation: Desert Storm.
The flight simulator motion base is actually a AH1 flight weapons simulator (cobra helicopter) located at the Western Army Aviation Training Site in Arizona.