U.S. Big gun opens fire as Rhine drive begins. Firing from a position on the Roer River, Germany, an American 155mm.

U.S. Big gun opens fire as Rhine drive begins. Firing from a position on the Roer River, Germany, an American 155mm. "Long Tom"artillery rifle opens up in the darkness against the Nazis on the opposite bank as the big eastward drive of the Ninth U.S. Army toward the Rhine gets under way February 23, 1945.