Kammala wannan jumla: Wani sojan Burtaniya na zuriyar Switzerland, Basil Eugster ya halarci Kwalejin Beaumont. A cikin 1935 ya shiga Irish Guards. Ya yi aiki tare da rundunarsa a lokacin yakin duniya na biyu kuma ya yi yaƙi a cikin
Yaƙin neman zaɓe na Narvik a Norway a 1940. Ya kasance Kwamandan Kwamandan na 3rd Battalion Irish Guards a 1945, kuma a 1947, kuma na 1st Battalion Irish Guards daga 1951 zuwa 1954.