The Aerospace and Telecommunications Engineering Support Squadron provides specialised aerospace and telecommunications engineering, training and production services in support of worldwide air force operations.

Home to drafting, engineering, and workshop facilities and personnel, ATESS is a one stop-shop capable of taking a project from the idea stage through the drawing, prototyping, testing and production phases.

In addition to its Aircraft structures, avionics, NDT, IHM, and workshop capabilities, ATESS provides storage facilities for retired Aircraft fleets, is home to the CF Tool Control Centre, repairs and overhauls airfield equipment, installs airfield equipment at bases across Canada, provides expert advice on airfield equipment, maintains and designs airfield software systems, and trains personnel in NDT, IHM, hose fabrication, tool control, and airfield equipment and systems maintenance.