(ID # 2999) Boxing match on the ship's forecastle, while she was at sea in the Atlantic Ocean, transporting troops to or from France in 1918-1919. Spectators are wearing masks as a precaution against the spread of influenza. Halftone reproduction of a photograph, printed on page 24 of Historical Souvenir of the U.S.S. Siboney, published by the ship's crew in 1919 as a momento of her service. Collection of Captain Clarence S. Williams, USN. Donated by Mrs. Clarence S. Williams, 1975. U.S. Naval History and Heritage Command Photograph.