For information, this shooter Chauchat is the 62nd Infantry Regiment, easy it is marked on the collar.
Small peculiarity, he also wears a British medal. The Military Medal.
Only the photo of the helmeted soldier shows us this one with this decoration (quite high in the order of the English military decorations -only 115000 for WWI awarded, and rare on French soldiers of base)
To return to the 62 nd Regiment (active regiment) here are the routes during the Great War:
The 62nd RI is formed in Lorient.
At the 22nd ID from August 1914 to November 1918, it is composed of 3 battalions.
Battalion commander August 1, 1914: Commander Felix de Vial
barracks Lorient, Groix, Port Louis, 43rd Infantry Brigade, 22nd Infantry Division, 11th Army Corps.
It is commanded at Lorient by Colonel Costebonnel, killed in action, "died for France" on October 6, 1914 in the Somme4.
1914
Maissin (Belgium),
Lenharrée,
Saint-Hilaire-le-Grand,
Thiepval
The Boisselle,
Orvilliers
1915
September 25-October 6: second battle of Champagne
Tahure.
1916
Battle of Verdun.
1917
May 5: The losses of the regiment are 900 in the sector of the chemin des dames5.
May 23: The regiment is reinforced by 800 men.
October: It is in the Chemin des Dames sector. During the winter of 1917, he successively occupied the sectors of Malmaison, the Pinon forest and the Aisne. The 62nd is awarded for its bravery at the fire the port of fodder in the colors of the ribbon of the Croix de Guerre.
1918
Nesle
Champlieu,
Roye,
Rollot
Ladies Way
Navarino
Butte Souain,
May 27, 1918: Second battle of the Marne
Somme-Py.
"For four days of hard fighting, where he was always ahead, he was noted for his warrior ardor. General Gouraud, 1918. (source Wiki and french blogs)