Tonton Streaming Combat! (1962) S1E16 - The Volunteer

A thirteen year old French boy wants to join the squad. After he is told he can't, he follows the squad. After Hanley is wounded, Caje tells him that he is now part of the group and his orders are to see that the Lt. gets back to town. When they get back to town, Lt. Hanley and the boy discover that the Germans are setting a trap for the Americans. Hanley sends the boy to find Saunders and the men and to tell Saunders about the Germans so he can radio the information to HQ.