At the outbreak of World War I he was a battalion commander in the 57th Infantry Regiment at Libourne .
He was a volunteer in 1881 and then entered Saint - Cyr , promotion of Black Flag ( 1882 -- 1884 ) .
At the outbreak of World War I volunteer was a volunteer   in the 57th Infantry Regiment at Libourne .
He was a volunteer in 1881 and then entered Saint - Cyr , promotion of Black Flag ( 1882 -- 1884 ) .