The Young Indiana Jones Chronicles S02E02 - Somme, Early August 1916

Old Indiana Jones scolds a rude young man in a donut-shop and tells him about the hell he went through when he was about the same age. In august 1916, Jones had enlisted in the Belgian army to fight in the Great War. After all his commanding officers have been wiped out during combat in Flanders, Corporal ' Henri Defense' (Indy's pseudonym) is left in charge of what's left of the 9th Belgian Infantry. They are assigned to the French 14th Company and dispatched into the Battle of the Somme.