Caption: Flag of the Rainbow Division unfurled for the first time in France in the Rolampont Area Behind the Lines, at the moment when the 42nd Division left for its service on the front.
Signal Corps photographer
Taken on 5 February 1918
<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/pt?id=umn.319510010204873;view=1up;seq=19;size=175">A Brief Story of the Rainbow Division</a>, page 18