Topaz 5 (USA-281) (NROL-47)

Launch Success

Liftoff Time (GMT)

22:11:00

Friday January 12, 2018

Watch Replay

Official Livestream

Mission Details

Read Article

Launch Notes

Final flight of Delta IV M+(5,2) variant.

Topaz 5 (USA-281) (NROL-47)

The satellites are presumably the FIA-Radar (Future Imagery Architecture - Radar) radar component of the FIA system. They are the successors of the Onyx radar satellites. In 2013 information leaked out, which indicates, that the Byman codename is Topaz. No details have been published.

Low Earth Orbit

1 Payload

Rocket

Retired
Delta IV Medium+ (5,2)

Active 2012 to 2018

United Launch Alliance logo

Agency

ULA

Rocket

Height: 66.4m

Payload to Orbit

LEO: 9,610 kg

GTO: 5,080 kg

Liftoff Thrust

4,895 Kilonewtons

Fairing

Diameter: 5.1m

Height: 19.1m

Stages

2

Strap-ons

2

Launch Site

SLC-6

Vandenberg SFB, California, USA

Fastest Turnaround

129 days 10 hours

Stats

Delta IV Medium


27th

Mission

1st

Mission of 2018

United Launch Alliance


124th

Mission

1st

Mission of 2018

2018


5th

Orbital launch attempt