Redesignated 31st Test and Evaluation Squadron.

The 49th Test and Evaluation Squadron is home to several bomber operational test programs.

The name was later changed to the 4477th Test and Evaluation Squadron (4477 TES) in 1980.

The 59th Test and Evaluation Squadron is an United States Air Force unit.

The 556th Test and Evaluation Squadron is a United States Air Force unit.

Redesignated 337th Test and Evaluation Squadron on 8 April 2004.

Inactivated 31 October 1970, assets reassigned to 4677th Defense Systems Evaluation Squadron.

Associate unit with the 53d Wing (84th Test and Evaluation Squadron)

Selected candidates are assigned to one of the Tactical Development and Evaluation Squadrons; the others are returned to their previous units.

As of July 2008, there were 12 Raptors assigned to the 422d Test and Evaluation Squadron for various development and evaluation missions.