161 (Special Duties) Squadron was a highly secretive unit of the Royal Air Force, performing missions as part of the Royal Air Force Special Duties Service.

It was tasked with missions of the Special Operations Executive (SOE) and the Secret Intelligence Service (SIS) during the Second World War.

Their primary role was to drop and collect secret agents and equipment into and from Nazi-occupied Europe.

The squadron had a secondary role in acting as the King's Flight, where it was responsible for transporting royal family members.

[3] The unit was commanded by Edward Fielden, an experienced pilot who had been the CO of the King’s Flight.