Aerospace Testing Alliance (ATA) is an aerospace engineering company in the United States of America. It is the prime contractor of the US Air Force's Arnold Engineering Development Center (AEDC), in Tullahoma, Tennessee.
Since 2003, ATA is a joint operation of Jacobs Sverdrup, General Physics, Computer Sciences Corporation (CSC), DynCorp. ATA is contracted at $2.7 Billion for a 12-year period.