The Apollo 8 command module in Hangar Bay 3 aboard the U.S. Navy aircraft carrier USS <i>Yorktown</i> (CVS-10), in December 1968.
USN
U.S. Navy photo <a rel="nofollow" class="external autonumber" href="http://www.navysite.de/cruisebooks/cv10-68/015.htm">[1]</a> from the <a rel="nofollow" class="external text" href="http://www.navysite.de/cruisebooks/cv10-68/index_007.htm">USS <i>Yorktown</i> (CVS-10) 1968-69 cruise book</a> available at <a rel="nofollow" class="external text" href="http://navysite.de/cruisebooks/index.html">Navysite.de</a>