The Union balloon Washington aboard the <a href="//commons.wikimedia.org/w/index.php?title=George_Washington_Parke_Custis&amp;action=edit&amp;redlink=1" class="new" title="George Washington Parke Custis (page does not exist)">George Washington Parke Custis</a> and towed by the tug Coeur de Leon U.S. Navy history website, the world's first aircraft carrier.
U.S. Navy history website