Maiden flight of Energiya from Baikonur Site 250 carrying Polyus (Skif-DM), an ~80-tonne Soviet orbital laser weapons technology demonstrator. The rocket flew correctly, but a Polyus attitude error fired engines retrograde and the payload fell into the Pacific without reaching orbit.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- Only Energiya flight
- Date and time
- 15 May 1987, 17:30 UTC
- Rocket
- Energiya
- Builder
- RKK Energia
- Launch site
- 250, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- Launches in 1987
- 46th of 114