Kammala jumla mai zuwa: A lokacin Yaƙin Faransa, Gabriel Bablon ya kasance a cikin Maroko kuma bai shiga cikin yaƙe-yaƙe ba. Da yake zaɓar ya bi fadace-fadace, ya yanke shawarar haɗuwa da Free France lokacin da aka sanya shi cikin hutun tsagaita wuta a watan Disamba na 1941. A wata mai zuwa, ya sami damar shiga London ta Gibraltar kuma ya shiga Sojojin Faransawa. Nan da nan aka sanya shi zuwa 13th Demi-Brigade na Foreign Legion 13e DBLE a Lebanon. Ya koma Arewacin Afirka tare da rukunin sa a cikin 1942, ya nuna iyawar yaƙi yayin Yaƙin Yammacin Hamada () kuma an ji rauni a karon farko ta fashewar harsashi a watan Janairu, sannan kuma ta hanyar ma'adinai a watan Yuni a lokacin Yaƙin Bir Hakeim (). Da yake jagorantar bataliya ta biyu bayan da aka daukaka shi zuwa Chef de bataillon, ya sake bambanta iyawa a lokacin Yaƙin El Alamein na biyu (). A ranar 23 ga Oktoba an kashe Kanar Dimitri Amilakvari, kwamandan rundunar na 13e DBLE, kuma Gabriel Gabon ya maye gurbinsa a matsayin shugaban naúrar. Ya jagoranci na biyu a lokacin kamfen na Tunisia () da Italiya (). A ranar 17 ga Mayu, 1944, a San Giorgio a Liri, an sake ji masa rauni ta hanyar fashewar grenade. Ya sauka a ranar 31 ga Agusta 1944 a cikin
saukowa daga Provence (), ya shiga cikin Liberation na Faransa (). A watan Satumba, tare da mukamin Laftanar-Colonel, ya jagoranci Rundunar Sojoji ta 24 () a jikin rundunar Sojoji ta 10 () wanda Janar Pierre Billotte () ya ba da umarni.