[1] On 30 July 1919 Elliot, then a captain, crashed behind enemy lines while fighting the Bolshevik forces during the North Russia Intervention.

Another plane crewed by Lt John Mitchell and Captain Walter Anderson landed and picked up Elliot and flew him and his observer back to the base.

[1] He served in the Second World War as Officer Commanding RAF Middle Wallop and as a member of the Air Staff responsible for Night Defences at Headquarters RAF Fighter Command in 1941 and then as Director of Plans at the Air Ministry in 1942.

[1] He went on to be Chief Staff Officer to the Minister of Defence in 1949 and Chairman of the British Joint Services Mission to Washington, D.C. and UK Representative on the NATO Standing Group in 1951 before he retired in 1954.

In 1972, Simon married Annabel, the daughter of Bruce Shand and sister of Queen Camilla.