He scored his first aerial success on 1 August, destroying a German two-seated Rumpler reconnaissance plane southeast of Lille.
Wellwood teamed with squadron mate Adrian Cole to destroy a DFW recon machine over Epinoy on 25 August.
Wellwood's final two victories were achieved on 4 November 1918; in separate patrols, he destroyed a Fokker D.VII and drove down another out of control.
[4] He was awarded the Distinguished Flying Cross for his exploits,[5] which was personally presented by General Sir William Birdwood on 20 March 1919.
[6] Wellwood married Myra Cantor on 28 June 1924 at Trinity Church, Hampton, Victoria, Australia.