View of a 40 mm Mk 2 mount on the bows of the U.S. Navy light aircraft carrier USS <i>Saipan</i> (CVL-48) firing during a gunnery drill, circa in 1946.
U.S. Navy
U.S. Navy photo <a rel="nofollow" class="external autonumber" href="https://www.navysite.de/cruisebooks/cvl48-47/089.htm">[1]</a> from the <a rel="nofollow" class="external text" href="https://www.navysite.de/cruisebooks/cvl48-47/index_016.htm">USS <i>Saipan</i> (CVL-48) 1946-1947 cruise book</a> available at <a rel="nofollow" class="external text" href="http://navysite.de/cruisebooks/index.html">Navysite.de</a>