TV footage of the <i><a href="//commons.wikimedia.org/wiki/Apollo_15" title="Apollo 15">Apollo 15</a></i> Command/Service Module <i>Endeavour</i> as it docks with the Lunar Module <i>Falcon</i> during the Transposition, Docking and Extraction.
NASA
Taken on 26 July 1971
NASA, taken from Spacecraftfilms.com DVD "Apollo 15: The Great Explorations Begin"