No. 74 Squadron RAF, also known as a "Tiger Squadron" from its tiger head motif, is a squadron

Squadron (aviation)

A squadron in air force, army aviation or naval aviation is mainly a unit comprising a number of military aircraft, usually of the same type, typically with 12 to 24 aircraft, sometimes divided into three or four flights, depending on aircraft type and air force...

 of the Royal Air Force

Royal Air Force

The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

. It operated fighter aircraft from 1917 to the 1990s.
The squadron was first formed at London Colney on 1 July 1917. No. 74 Squadron was a training unit flying Avro 504Ks.

Its first operational fighters were S.E.5A

Royal Aircraft Factory S.E.5

The Royal Aircraft Factory S.E.5 was a British biplane fighter aircraft of the First World War. Although the first examples reached the Western Front before the Sopwith Camel and it had a much better overall performance, problems with its Hispano-Suiza engine, particularly the geared-output H-S...

s in March 1918. The squadron served in France from April until February 1919, when it returned to Britain where it was disbanded on 3 July 1919.

During its wartime service, it was credited with 140 enemy planes destroyed and 85 driven down out of control, for 225 victories.