Redstone MRLV — mission imagery
Back to launches
Success

Mercury-Redstone 4

Redstone MRLVNational Aeronautics and Space AdministrationLaunch Complex 5
Friday, July 21, 1961 · 12:20 PM UTCAdd to Calendar

This mission is complete.

Vehicle

Redstone MRLV

Profile →

Vehicle details are not available yet.

HeightN/A
LEO PayloadN/A
Launches147
Successes122

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...

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
Stages0
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
SITE LOCK
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

Delay History

1
Jul 21Jul 21Success → Success

Schedule updated