Manifest / 01Go
Unknown Payload
Long March 6C
ProviderChina Aerospace Science and Technology Corporation
PadLaunch Complex 9A
DateAug 25, 2026
PrecisionAbout 03:20 AM UTC
Schedule watchTracking updates
T– about 8hWindow opens 03:15 AM UTC
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Success
Mercury-Redstone 4
Redstone MRLVNational Aeronautics and Space AdministrationLaunch Complex 5
Friday, July 21, 1961 · 12:20 PM UTC
This mission is complete.
Mission Brief
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.
PayloadMercury-Redstone 4
OrbitSuborbital
CustomerMercury
StagesUnknown
PadLaunch Complex 5, Cape Canaveral SFS, FL, USA
Mission Timeline
14 / 14100%Ground vector
Launch site
Site locked
Launch Complex 5
Cape Canaveral SFS, FL, USA
Global range
- Latitude
- 28.439°N
- Longitude
- 80.573°W
Range Weather
Launch commit criteria
Clear
Watch
TrackingNo active constraints
Weather Rules
Tracking no weather issues at this time.
- Primary concern
- No weather issues
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
Window
12:20 PM UTC - 12:20 PM UTC
Provider
National Aeronautics and Space Administration
Profile →USA • Founded 1958
The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and...
Schedule History
No meaningful launch-time or status changes recorded.
