Soden was born in Petitcodiac, New Brunswick, Canada, but emigrated to England as a child in 1904.

60 Squadron RFC, when flying a Nieuport 17 to claim an Albatros D.III down 'out of control' on 25 June 1917.

He became an ace with the first of two victories the morning of 21 September 1917, sending down an Albatros DV out of control.

Accompanied by Captain Robert Chidlaw-Roberts, Soden set Müller's Albatros D.V on fire in the air near Moorslede, Belgium.

[1] He was awarded the Distinguished Flying Cross on 8 February 1919, the citation read:[7] Capt.

(FRANCE) A bold and skilful officer who has accounted for three enemy aeroplanes and two balloons during recent operations.The main part of the war over, in 1919 Soden volunteered to join the British expedition to Murmansk, part of Allied efforts to support White Russian forces.

[2] Soden remained in the Royal Air Force after the war (he had been granted a regular commission as a captain on 1 August 1919).

For his services there he was awarded a Bar to his DFC on 19 December 1922, he now held the rank of flight lieutenant.

[2] Soden retired from the RAF on 21 May 1945,[15] married Wanda Holden and emigrated to Kenya.

[2] He was later involved in trying to evacuate refugees from Congo in light aircraft, and was held by Congolese forces for a while.

A memorial service was held at St Clement Danes, the RAF church, on 15 March 1961.