On October 22, 1953, the French battalion embarked on the and headed for
Indochina, where it was expanded into a two battalion
regiment and formed the nucleus of the French
Groupement mobile 100. During
their service in Indochina, the unit (under its new title of
Le Regiment de Corée) participated in the brutal battles
Mang Yang Pass along
Route coloniale 19 in June 1954, and
Chu Dreh Pass along
Route Coloniale 14 a month later, where it suffered heavy casualties. Between its arrival in Indochina and the cease-fire on July 20, 1954, the 1st Battalion suffered 238 killed or wounded, and the 2nd Battalion 202 killed or wounded. In addition, 34 Indochinese assigned to the battalion were killed in action. On September 1, 1954, the
Regiment de Corée was disbanded and reduced to battalion size. The battalion remained in Indochina until July 17, 1955, when it embarked from
Saigon to
Algeria to participate in the suppression of the
ongoing insurrection. On August 10, 1955, the battalion landed in
Algiers and began a series of garrison and search-and-destroy operations in the
Constantine Department. On September 1, 1960, the battalion was amalgamated with the 156th Infantry Regiment () and received the designation of ''156 Régiment d'Infanterie- Régiment de Corée.'' All told, the regiment suffered 48 killed in action in Algeria. The regiment was repatriated to France after the
Évian Accords and disbanded upon its return to France in 1962. == Later Honours ==