Ka cika wannan jumla: An haifi Shelah a Kiryat Bialik. Ya shiga cikin Sojojin Tsaron Isra'ila a 1977 a matsayin soja a cikin Brigade Paratroopers, kuma a 1979 ya zama jami'i. Ya yi aiki a matsayin jagora mai jagora kuma a matsayin jami'in zartarwa a cikin 'yan bindigar, kuma ya shiga cikin daban-daban
hare-haren da aka kai kan sansanonin PLO a Lebanon. Bayan an sallame shi da girmamawa ya yi yaƙi a matsayin shugaban rukuni kuma a matsayin kwamandan kamfani a cikin Brigade na Paratroopers Brigade a cikin Yaƙin Lebanon na 1982 kuma ya rasa ido a Lebanon a 1983. Daga baya ya wallafa littafi game da abubuwan da ya samu, "Guf Sheni" ().