Tullahoma is home to Arnold Engineering Development Complex (AEDC) which is the most advanced and largest complex of flight simulation test facilities in the world. The complex operates:
55 aerodynamic and propulsion wind tunnels
Rocket and turbine engine test cells
Space environmental chambers
Other specialized units
Many of the complex's test units have capabilities unmatched elsewhere in the United States; some are unique in the world. AEDC is an Air Force Materiel Command organization and an important national resource.