 Kunyora kupfuurira kweiyi ndima - Mushure mekuita kudzidziswa kwemutyairi muRhodesia, Coulthard akaendeswa kuMalta muna 1943 ndokutora chikamu muInvasion yeItalyUye Operation Dragoon, kudenha kweAllied kumaodzanyemba kweFrance. Akataurwa nezvake mumashoko. Pakupera kwehondo Coulthard akasarudzwa kuti ave chikamu cheboka rokutanga revatyairi vemhepo vaizoshandura kuenda kuBritain yekutanga kushanda jet jet, Gloster Meteor. Pashure pehondo akanga akabatanidzwa Central Fighter Establishment uye akamira pana RAF Wunstorf muGermany, apo iye akatora chikamu kuongorora miedzo nokuda Havilland Venom. Muna 1955 akava murayiridzi mukuru paRAF Pembrey. Muna 1961 akatora murairo weRAF Gütersloh. Zvikamu zvaitungamirirwa naye zvaibatanidzwa mumabasa ane chokuita neBerlin Airlift muna 1962. 