<prompt> Pedzisa mutsara unotevera: Simpson akatumirwa ku2nd Battalion, Royal Australian Regiment muna January 1954, kwaakakwidziridzwa kuva musoja muna 1955, achishanda mu  <response>: Malaya kubva muna October 1955 kwamakore maviri akatevera. Akazotumirwa ku1st Special Air Service Company SAS munaNovember 1957 uye akashanda nechikamu ichocho kusvikira asarudzwa seimwe yenhengo dzekutanga dzeboka reAustralia Army Training Team Vietnam AATTV yakatumirwa kunobatsira mauto eSouth Vietnam muna Chikunguru 1962. Gore rimwe gare gare, akadzokera kuSAS muAustralia uye akashanda ikoko kwemwedzi gumi nemiviri yakatevera. 