No. 21 Squadron RAF
| No. 21 Squadron RAF | |
|---|---|
| Active |
|
| Disbanded | 31 March 1979 |
| Country | United Kingdom |
| Branch | Royal Air Force |
| Motto | Viribus vincimus (Latin for 'By strength we conquer') |
| Insignia | |
| Tail codes | JP (Apr 1939–Sep 1939) YH (Sep 1939–Nov 1947) |
No. 21 Squadron is a dormant squadron of the Royal Air Force. It was formed in 1915 and was disbanded for the last time in 1979. The squadron is famous for Operation Jericho on 18 February 1944, when the crews of de Havilland Mosquitoes breached the walls of a Gestapo prison at Amiens, France, allowing members of the French Resistance to escape.