PADSpace Launch Complex 37B
SITECape Canaveral SFS, FL, USA →ORBITGeostationary Transfer Orbit
TYPECommunications
MISSION OVERVIEW
WGS-9 is the ninth of 10 high-capacity military communications satellites providing vital service for tactical forces who rely on WGS for connectivity to the Defence Information Systems Network (DISN).
LAUNCH DETAILS
VEHICLE
Delta IV M+(5,4)AGENCY
United Launch AllianceMISSION
WGS-9 (USA-275)
MISSION TYPE
Communications
TARGET ORBIT
Geostationary Transfer Orbit
LAUNCH PAD
Space Launch Complex 37BLAUNCH SITE
Cape Canaveral SFS, FL, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: d68ba788-f668-4ee0-a88c-a8f6c4c0ebf1
Reported date: Mar 19, 2017 at 00:18 UTC
Last synced: 10 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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PAYLOAD →
WGS Block II
Military Communications
US Space ForceOPERATOR
GEO · 35,786 kmORBIT
5,987 kgMASS
2TOTAL LAUNCHES
VEHICLE — Delta IV M+(5,4) →
MANUFACTURER
United Launch Alliance
VARIANT
M+(5,4)
FLIGHTS
8
SUCCESSES
8
SUCCESS RATE
100%
description
LAUNCH VIDEOS
ARTICLES & COVERAGE
FREQUENTLY ASKED QUESTIONS
When is the Delta IV M+(5,4) | WGS-9 (USA-275) launch?
The Delta IV M+(5,4) | WGS-9 (USA-275) is scheduled for Sunday, March 19, 2017 at 12:18 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for WGS-9 (USA-275)?
The Delta IV M+(5,4) | WGS-9 (USA-275) mission uses the Delta IV M+(5,4) rocket, manufactured by United Launch Alliance. The Delta IV M+(5,4) has flown 8 times with a 100% success rate.
Where is the Delta IV M+(5,4) | WGS-9 (USA-275) launching from?
The launch takes place from Space Launch Complex 37B at Cape Canaveral SFS, FL, USA.
What orbit is WGS-9 (USA-275) going to?
The WGS-9 (USA-275) mission is targeting Geostationary Transfer Orbit.
Who is launching WGS-9 (USA-275)?
The Delta IV M+(5,4) | WGS-9 (USA-275) is operated by United Launch Alliance.
Can I watch the Delta IV M+(5,4) | WGS-9 (USA-275) launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 28, 2026 20:33 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:33 UTC
Launch date set: Mar 19, 2017 at 00:18 UTC
NET (No Earlier Than) confirmed by United Launch Alliance
Mar 28, 2026 20:33 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 10 minutes ago
●Launch Library 210 minutes ago
Launch ID: d68ba788-f668-4ee0-a88c-a8f6c4c0ebf1
●Open-Meteo Weather1 day ago
Pad weather at 28.53, -80.56
Mission Profile
WGS-9 (USA-275) was a Delta IV M+(5,4) mission operated by United Launch Alliance that lifted off from Space Launch Complex 37B, Cape Canaveral SFS, FL, USA on March 19, 2017. The flight carried its payload on a communications mission to Geostationary Transfer Orbit. The launch was a success.