No. 240 Squadron RAF

No. 240 Squadron RAF
Active20 Aug 1918 - 15 May 1919
30 Mar 1937 - 31 May 1946
1 May 1952 - 1 Nov 1958
1 Aug 1959 – 8 Jan 1963
Country United Kingdom
Branch Royal Air Force
RoleAnti-submarine warfare
Maritime patrol
Strategic Missile Force
Motto(s)Icelandic: Sjo-Vordur Lopt-Vordur
(Translation: "Guardian of the sea, guardian of the sky")
Insignia
Squadron Badge heraldryA viking helmet
Squadron CodesSH (Apr 1939 - Sep 1939)
BN (Sep 1939 - Jun 1942)
L (May 1952 - 1956)
240 (1956 - Nov 1958)

No. 240 Squadron RAF was a Royal Air Force flying boat and seaplane squadron during World War I, World War II and up to 1959. It was then reformed as a strategic missile squadron, serving thus till 1963.