<prompt> Ngwala tšwetšopele ya serapa se - Gration o bone tirelo ya mafolofolo nakong ya maemo a tšhoganetšo a Malaya  <response>: , pele ga ge a ka tsena British Army Staff College, Camberley ka 1964. O phethile leeto la mošomo nakong ya Ntwa ya Vietnam magareng ga 1969 le 1970, nakong yeo a bego a romilwe bjalo ka molaodi wa mohlankedi wa 1st Australian Civil Affairs Unit ka maemo a lefotenente mokolonele. Ka baka la ditirelo tša gagwe tše di kgethegilego kua Vietnam, Gration o ile a kgethwa go ba Mohlankedi wa Taelo ya Mmušo wa Brithania ka 1971. 