Men of the US 372nd and the French 157th pose at Verdun, 1918.The 372nd was attached to the French Army at this time.
https://nmaahc.si.edu/object/nmaahc_2019.18.5?destination=edan-search/collection_search%3Fpage%3D1%26edan_q%3D%252A%253A%252A%26edan_local%3D1%26edan_fq%255B0%255D%3Dtopic%253A%2522Military%2522