Manifest / 01Go
Unknown Payload
Long March 6C
ProviderChina Aerospace Science and Technology Corporation
PadLaunch Complex 9A
DateAug 25, 2026
PrecisionAbout 03:20 AM UTC
Schedule watchTracking updates
T– about 2hWindow opens 03:15 AM UTC
Back to launches
TBD
SDA Tranche 2 Transport Layer B
VulcanUnited Launch AllianceSpace Launch Complex 3E
2026 · Date and time TBD
Calendar available when time is confirmed
NextMission AnnouncedT-720:00:00
Time to launch
Launch Window Confidence
46% — UncertainMission Brief
Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer.
PayloadSDA Tranche 2 Transport Layer B
OrbitPolar Orbit
CustomerUnited Launch Alliance
Stages2
PadSpace Launch Complex 3E, Vandenberg SFB, CA, USA
Mission Timeline
0 / 140%Up next · Pre-launch
Mission Announced
Official mission announcement and payload assignment
T-720:00:00
12:00 AM UTC
- Mission AnnouncedT-720:00:0012:00 AM UTC
- Vehicle RolloutT-48:00:0012:00 AM UTC
- Wet Dress RehearsalT-24:00:0012:00 AM UTC
Ground vector
Launch site
Site locked
Space Launch Complex 3E
Vandenberg SFB, CA, USA
Global range
- Latitude
- 34.640°N
- Longitude
- 120.590°W
Range Weather
Launch commit criteria
Clear
Watch
TrackingNo active constraints
Weather Rules
Tracking no weather issues at this time.
- Primary concern
- No weather issues
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
Window
12:00 AM UTC - 12:00 AM UTC
Provider
United Launch Alliance
Profile →USA • Founded 2006
United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spa...
Schedule History
No meaningful launch-time or status changes recorded.
