World War I (1914–1918) The most decorated regiment in the Foreign Legion, the 3rd Foreign Infantry Regiment (
3e R.E.I) is heir to the
Marching Regiment of the Foreign Legion (
R.M.L.E) created in 1915. The
R.M.L.E distinguished itself during the siege of de Belly-en-Santerre, on 4 July 1916; then found glory on 14 September 1918 during the piercing of the Hindenburg Line, under orders of regimental commander Lieutenant-Colonel
Paul-Frédéric Rollet, the father of the Legion.
Vietnam and Algeria Following World War II, the
R.M.L.E returned to
Morocco and was renamed the 3rd Foreign Infantry Regiment. Nevertheless, idle time was short term and the regiment was moved to
Indochina as of December 1945. Subsequently, the regiment took positions around colonial routes 3 and 4. from April 31, 1948, to May 31, 1949. In December 1954, the regiment disembarked at
Bône in
Algeria. In a fast tempo, the regiment marked the territory, took charge and pierced the route towards the east which is supposed to link
Cayenne to the
Brazilian frontier while investing time operations around the
Guiana Space Centre, planetary mission accomplishments for which the regiment received the vermeil medal from the
National Centre for Space Studies, C.N.E.S. The
Jungle Training Center, (
C.E.F.E) saw daylight in 1986 at
Régina, near the
Approuague, which became the French reference in material of survival and jungle tropical forest combats. 35,000 jungle-brevets were issued by the
C.E.F.E since creation in 1986. The organization of the regiment witnessed several modifications during that time. In 1986, the equipment and materials company was dissolved and replaced by a reconnaissance company. In 1998, the 3rd
combat company was replaced by a rotating combat company, also dissolved in 2003 for two proterre units, before being recreated permanently in 2010, in order to give way in response to the various accelerations of mission rhythms. In 2004, the 3rd Foreign Infantry Regiment engaged in Operation Carbet (), in
Haiti. In 2008, the
president of the republic launched Operation Harpie (), with point to combat illegal activities in deep jungle (mainly illegal gold-mining activities). This mission became permanent and was also reinforced in 2010. The regiment was mainly in charge of sector
Oyapock, at the Brazilian frontier, while supporting forces of the
gendarmerie. At end of 2011, while the
Ensemble de Lancement Soyouz became operational, the Regiment ensured protection around the area. ; 3rd Foreign Infantry Regiment (1915–present) Since creation of the 3rd Foreign Infantry Regiment, 7216
Legionnaires have died for France. In 2013, the regiment celebrated the passing of 40 years in
French Guiana, where 50 legionnaires have thus far died. == Missions ==