1961 · National Aeronautics and Space Administration
Mercury-Redstone 4
successRedstone MRLV | 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 the Liberty Bell 7, and it was piloted by the astronaut Virgil "Gus" Grissom.
Overview
- Date / time
- July 21, 1961 at 12:20 PM UTC
- Outcome
- success
- Launch site
- Launch Complex 5
- Mission
- Mercury-Redstone 4
- Mission type
- Human Exploration
- Orbit achieved
- Suborbital