In the Royal Air Force sense, wings, groups, and commands can be considered formations.
A formation is defined by the US Department of Defense as "two or more aircraft, ships, or units proceeding together under a commander".
[1] "Formations are those military organisations which are formed from different speciality Arms and Services troop units to create a balanced, combined combat force.
The CSE was formed 1 September 1946 at RAF Watton, equipped with Dominie and Tiger Moth, and disbanded there on 1 July 1965.
[3] When the establishment disbanded, the Research Wing and civilian parts of the "..Installation Squadron became the RAF Signals Command Air Radio Laboratories, and the training and service elements of Installation Squadron became the EW Support Wing.