The 21ème Bataillon Indochinois (21st Indochinese Battalion) was formed at Camp de Saint-Raphaël (Var) on December1, 1916 from men in the various Bataillons d’Étapes already in France at the time under the command of Chef de Bataillon Jenot. This battalion numbered 21 officers, 241 Europeans and 1,200 Indochinese soldiers.
It was composed of the following:
1 Compagnie de Marche (Company of March); 1 Compagnie de Dépôt (Company of Depot); 1 Compagnie de Mitrailleuses (Company of Machine Guns) and 1 Section Hors Rang (Battalion HQ).
On April 5, 1917 the batallion was moved to l’Aisne region where it helped in repairing of the roads, guarding troop movement points and building up defenses in the front-lines. From the end of May to the end of July the battalion was in the Vosges where it engaged in combat with the enemy, they then were moved to Reims in August of that year. It is not known when but they went back to combat in the Vosges near Montigny and later where they worked closely with the 7ème Bataillon Indochinois by swapping front-line duty with them eleven times. The battalion embarked at Marseilles on April 18 1919, to go back to Haïphong where it is dissolved.
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