No. 577 Squadron RAF
| No. 577 Squadron RAF | |
|---|---|
| Active | 1 December 1943 – 15 June 1946 |
| Country | United Kingdom |
| Branch | Royal Air Force |
| Role | anti-aircraft co-operation unit |
| Insignia | |
| Squadron Codes | 3Y (Dec 1943 – Jun 1946) |
No. 577 Squadron was an anti-aircraft co-operation unit of the Royal Air Force formed during World War II and active from December 1943 till June 1946 in the defence of the Midlands.