North Vietnam was officially called another name.
The 57th Adversary Tactics Group -LRB- 57 ATG -RRB- is the flying component of the 57th Wing , assigned to the United States Air Force Air Combat Command .. United States Air Force. United States Air Force. 57th Wing. 57th Wing. Air Combat Command. Air Combat Command. The group is stationed at Nellis Air Force Base , Nevada .. Nellis Air Force Base. Nellis Air Force Base. Nevada. Nevada