​List of Qualifying Operational Service

The list of Qualifying Operational Service as of 27 October 2020.

Declaration name & period
Service in Korea 23 August 1950 to 27 July 1957
The Berlin Airlift 1 September 1948 to 11 August 1949
The Malayan Emergency 18 June 1948 to 31 July 1960
Second World War (Japan and Japanese waters) 15 August 1945 to 27 April 1952
Second World War (worldwide) 3 September 1939 to 14 August 1945
First World War (Austria) 11 January 1920 to 16 July 1920
First World War (Bulgaria) 11 January 1920 to 9 August 1920
First World War (Hungary) 11 January 1920 to 26 July 1921
First World War (Turkey) 11 January 1920 to 6 August 1924
First World War (worldwide) 4 August 1914 to 10 January 1920