According to the "Azerbaijani Soviet Encyclopedia", Jabrayilov was captured in May 1942 in course of the battle for Donbas, and was kept in Dachau and Alsace-Lorraine concentration camps. In November 1942, he fled to join the partisans in France, took part in battles for the liberation of France, received several French awards (including Médaille militaire for personal bravery) and was retired in 1946.