20 Squadron provides training and support on Operations, in air picture and Tactical Control of air assets Air Command and Control. It falls under Air Surveillance and Control System (ASACS) within the Battlespace Management Force.
The Squadron operates in 3 Flights. A Flight - provides Combat Ready training for ASACS, the Command and Control Qualified Warfare Instructor Course, and Joint Service courses. B Flight - provides practical operational conversion training for all ASACS roles. Mission Support Flight (MSF) – provides Training and Assurance. MSF Synthetics section which provides support to the training of Weapons Controllers and Surveillance Operators.
The Squadron has operated mainly in India, the Far East and Germany, flying aircraft including the FE2D, Lysander, Hurricane, Hunter, Jaguar, Tornado and Harrier.
20 Squadron's mission is to train, develop and generate world class tactical air command and control operators for standing and contingent Defence Tasks; and support the execution of Joint Air Operations in the UK and overseas.