FRANCE Armored Train of the Foreign Legion pocket badge

Train blindé de la Légion étrangère
The Armored Train of the Foreign Legion was a detachment of the soldiers from the French Foreign Legion formed in French Indochina to deal with ambushes by the Vietminh.
The Armored Train of the Foreign Legion was tasked with providing supplies to the French forces in Indochina. It was responsible for protecting the Transindochinois line.