No. 121 Squadron RAF

No. 121 (Eagle) Squadron RAF
121 (Eagle) Squadron, RAF, 1940
Active1 April 1918 - 17 August 1918
14 May 1941 – 29 September 1942
Country United Kingdom
Allegiance United Kingdom
 United States (September 1942)
Branch Royal Air Force
Nickname(s)Eagle
Motto(s)For liberty
Insignia
Squadron Badge heraldryAn Indian warrior's head with head dress
Squadron CodesAV (May 1941 - September 1942)

No. 121 Squadron was a Royal Air Force (RAF) aircraft squadron that during the Second World War was one of the three Eagle Squadrons manned by American volunteers. There is a Royal Air Force Air Cadets squadron, based in Nuneaton, which shares its number.