Tuhia he tomokanga mō tēnei wāhanga - I te tīmatanga i mahi ia i roto i te ope French me whawhai i roto i te Pakanga Tuarua o te Ao, te Pakanga Tuatahi o Indochina, te Crisis Suez
me te Pakanga o Algeria, i mate ai ia i te pakanga. I tua atu i te wa poto i noho ai ia i roto i te whakaeke French me te kaipupuri i te Pakanga Tuarua o te Ao, i mahi ia ki te Legion Foreign mai i te 1936. I whakahau a Jeanpierre i te 1st Foreign Parachute Battalion, i whakawhānuihia ki te 1st Foreign Parachute Regiment (1er REP) tae noa ki tona matenga i te Pakanga o Algeria.