Mercury-Redstone 4
Mercury-Redstone 4 was the second United States human spaceflight, on July 21, 1961. The suborbital Project Mercury flight was launched with a Mercury-Redstone Launch Vehicle, MRLV-8. The spacecraft, Mercury capsule #11, was nicknamed Liberty Bell 7. It was piloted by astronaut Virgil "Gus" Grissom.
- कार्यक्रम
- Project Mercury
- प्रक्षेपण
- 21 जुल॰ 1961
- वापसी
- 21 जुल॰ 1961
- परिणाम
- सफल
चालक दल
- 🇺🇸 Gus Grissom —