Delta IV to Launch WGS-9
A United Launch Alliance Delta IV Rocket is set for a twilight liftoff from Cape Canaveral on Saturday at 23:44 UTC to embark on a 42-minute climb to boost the WGS-9 satellite to Geostationary Transfer Orbit from where the spacecraft will join the Wideband Global Satcom System - building the backbone for secure communications for the U.S. Department of Defence.
Live Video by United Launch Alliance
| Launch Date: March 18, 2017 | Launch Updates |
| Window: 23:44 - 00:59 UTC | WGS-9 Satellite Overview |
| Launch Site: SLC-37, Cape Canaveral | Delta IV Launch Vehicle |
| Launch Vehicle: Delta IV M+(5,4) | Countdown Timeline |
| Payload: WGS-9 (5,987kg) | Launch Profile |
| Ascent Duration: 42 Minutes | |
| Orbit: 435 by 44,372km, 27.0° |