Falcon 9 Block 5 — mission imagery
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TBD

SDA Tranche 1 Tracking Layer C

Falcon 9 Block 5SpaceXSpace Launch Complex 4E
Wednesday, September 30, 2026 · 12:00 AM UTCAdd to Calendar

NextGo for Prop LoadT-35:00

Time to launch

80
DAYS
:
15
HRS
:
07
MIN
:
13
SEC
Launch Window Confidence
46% — Uncertain

Vehicle

Falcon 9 Block 5

Profile →

Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fif...

Height70 m
LEO Payload22,800 kg
Launches832
Successes687

Provider

SpaceX

Profile →

USA • Founded 2002

Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur E...

Mission Brief

Tranche 1 Tracking Layer C is one of five missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Space Architecture (PWSA) Tranche 1 Tracking Layer constellation, which will provide global indications, warning, tracking, and targeting of advanced missile threats, including hypersonic missile systems.

PayloadSDA Tranche 1 Tracking Layer C
OrbitPolar Orbit
CustomerSpaceX
Stages2
PadSpace Launch Complex 4E, Vandenberg SFB, CA, USA

Mission Timeline

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Go for Prop Load

Launch director gives the go to begin fueling

T-35:00
11:25 PM UTC
  • Go for Prop LoadT-35:00
  • RP-1 Loading BeginsT-35:00
  • Stage 1 LOX Loading BeginsT-35:00
  • Stage 2 LOX Loading BeginsT-16:00
  • Engine Chill BeginsT-07:00
  • Flight Computer Final ChecksT-01:00
  • Tanks Pressurize for FlightT-01:00
  • Strongback Retract BeginsT-00:45
  • Engine Ignition Sequence StartsT-00:03

Ground vector

Launch site

Site locked

Space Launch Complex 4E

Vandenberg SFB, CA, USA

Global range
SITE LOCK
Latitude
34.632°N
Longitude
120.611°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

Delay History

2
Sep 30Sep 30TBD → TBD

Schedule updated

Jun 30Sep 30TBD → TBD

Schedule updated

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