(Virginia Mayo | AP photo) In this Wednesday, May 23, 2018 photo, an epitaph on the back of a headstone at the World War I Aisne Marne cemetery in Belleau, France. The World War I battle of Belleau Wood in northern France pitted untested U.S. forces against the more-experienced Germans, who were making a push toward Paris. It became a defining moment, proving the Americans’ military mettle and helping turn the tide of the war.