Tuhia he haere tonu mo tenei waahanga - I whanau a Adan ki roto i te whanau Hurai i Kfar Giladi, British Mandatory Palestine; i whanau ia me te ingoa "Eidelson", engari i muri mai ka huri ki te "Adan" hei waahanga o te mahinga Hebraization. I te 1943, i uru atu ia ki te Palmach, he ope rangatira o te whakahaere paramilitary Haganah i whakahaere i tetahi waahanga o te hapori Yishuv i British Palestine. I te Pakanga Arab-Israeli Tuatahi
Ko Adan he rangatira kamupene i roto i te 8 o nga peihana o te Negev Brigade, a i uru ki te Operation Uvda, i angitu ai te parirau ki te hopu i te turanga o Umm al-Rashrash - e mohiotia ana inaianei ko Eilat - i te pito tonga o te whenua hou. Ko Adan, i taua wa he rangatira i roto i te Israel Defense Forces (IDF) hou, i whakaahuahia i a ia e whakaara ana i te Ink Flag o te State of Israel i te waahi. Kua noho te whakaahua hei tohu, kua whakataurite ki te "Raising the Flag on Iwo Jima", he whakaahua rongonui e ono nga United States Marines e whakaara ana i te haki o Amerika i runga i te Maunga Suribachi i te Pakanga o Iwo Jima i te Pakanga Tuarua o te Ao.