The U.S. Navy aircraft carrier USS <i>Lexington</i> (CV-2), foreground, and USS <i>Saratoga</i> (CV-3) underway, circa in the late 1930s.
U.S. Navy
Official U.S. Navy photo <a rel="nofollow" class="external text" href="http://www.history.navy.mil/our-collections/photography/alphabetical---donations0/c/2015-23-joe-clark-collection.html">2015.23.01</a> from the U.S. Navy <a rel="nofollow" class="external text" href="http://www.history.navy.mil">Naval History and Heritage Command</a>