On this day in space! Sept. 15, 1968: Russian tortoises (& other critters) launch around the moon on Zond 5 spacecraft in wild first circumlunar flight

On this day in space! Sept. 15, 1968: Russian tortoises (& other critters) launch around the moon on Zond 5...

The Zond 5 launch was a giant leap for tortoise kind, and marked the first-ever successful circumlunar flight from Earth to the moon and back.