100 Squadron

Providing advanced air combat training in the UK and overseas.

Never stir up a hornet's nest

In front of two bones in saltire, a skull - approved by King George VI in November 1937. The badge was the official version of a motif used by the Squadron on the Western Front in 1917.


  • Based at RAF Leeming, home of training and support for UK expeditionary air operations
  • 100 Squadron were the last squadron to land from a combat mission before the Armistice was signed
  • Aircraft flown have included the Vildebeest, Lancaster, Victor B2 and the Canberra
  • Provides threat replication for Typhoon and other air-to-air mission training; and Close Air Support training for Land units


1917 - Formed at Hingham.

1920 - Provided close air support during the Irish War of Independence.

1945 - Took part in the humanitarian operations MANNA and EXODUS.

1995 - Moved to RAF Leeming.

Battle honours

Western Front 1917-1918

Ypres 1917*

Somme 1918*

Independent Force and Germany 1918*

Malaya 1941-1942*

Fortress Europe 1943-1944*

Biscay Ports 1943-1945

Ruhr 1943-1945

Berlin 1943-1945*

German Ports 1943-1945

Baltic 1943-1945

France and Germany 1944-1945

Normandy 1944*


(Honours marked with an asterisk, may be emblazoned on the Squadron Standard)


Please contact the Station Media Communications team for more information or to contact the Squadron

Media enquiries details for RAF Leeming