ESRS (CRL-2 / ENSAT / AFCRL B), a U.S. Air Force Cambridge Research Laboratories environmental research satellite. Scout X-4 from Point Arguello LC-D failed on 25 June 1964 when the second stage exploded, destroying the payload before orbit.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 4th
- of 12 Scout X-4 flights
- Date and time
- 25 June 1964, 01:40 UTC
- Rocket
- Scout X-4
- Builder
- Vought
- Launch site
- Space Launch Complex 5, Vandenberg SFB, CA, USA
- Payload
- Earth Science
- Launches in 1964
- 41st of 100