8K views · 106 reactions | On March 9, 1961, the Soviet Union launched Sputnik 9. This mission was a test flight of the Vostok spacecraft, which would later carry the first cosmonauts into space. Inside the spacecraft was a mannequin named Ivan Ivanovich, a dog named Chernushka, dozens of mice, some reptiles, and the first-ever guinea pig to fly to space. | Space.com | Facebook

2.7K views · 111 reactions | On October 27, 1961, Apollo 7 became the...