A ULA Delta IV Heavy launched NROL-71, a classified reconnaissance satellite for the US National Reconnaissance Office, from Vandenberg's SLC-6. The launch had slipped more than a month due to hydrogen leaks and other technical issues before finally lifting off.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 20 T (est.)
- Flight
- 11th
- of 16 Delta IV Heavy flights
- Date and time
- 19 January 2019, 19:10 UTC
- Rocket
- Delta IV Heavy
- Builder
- ULA
- Launch site
- Space Launch Complex 6, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 2019-004
- Launches in 2019
- 5th of 102
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas