Circumnavigation of the moon

The unmanned Soviet probe Zond 5 and a manned American mission both successfully circumnavigated the Moon. This event marked a significant step towards achieving a manned lunar landing.
 (NASA and Roscosmos) United States, Russia 1968 Circumnavigation of the moon

The unmanned Soviet probe Zond 5 and a manned American mission both successfully circumnavigated the Moon. This event marked a significant step towards achieving a manned lunar landing.