Watch the Launch

Watch the Launch

Additional Media

Live: SpaceX Falcon 9 rocket launches secretive U.S. Space Force mission from California

Watch live coverage as SpaceX launches a Falcon 9 rocket from California carrying a classified payload for the U.S. Space Force. Liftoff from Space Launch Complex 4E (SLC-4E) at Vandenberg Space Force Base is scheduled for Thursday, Sept. 10, at 8:42:30 a.m. PDT (11:42:30 a.m. EDT / 1542:30 UTC). The …

USSF-153 Mission

Livestream on X

SpaceX

SpaceX designs, manufactures and launches advanced rockets and spacecraft. The company was founded in 2002 to revolutionize space technology, with the ultimate goal of enabling people to live on other planets.

USSF-153

Overview

Destination: Low Earth Orbit
Mission: Government/Top Secret

Low Earth Orbit Space Launch Complex 4E Vandenberg SFB, CA, USA Probability: 70%
B1081 - Of Course I Still Love You

USSF-153 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bus, based on locations of rocket stage drop zones being exact fits with previous Starlink Group 15 launches.

Telemetry

Launch trajectory and telemetry simulations provided by Flight Club - a rocket launch simulator and orbital trajectory visualiser for all things space!

Updates

Cosmic_Penguin • Sept. 10, 2026, 10:34 p.m.

Launch success.


Cosmic_Penguin • Sept. 10, 2026, 6:34 p.m.

Payload separation.


Cosmic_Penguin • Sept. 10, 2026, 3:42 p.m.

Liftoff.


LL2 • Sept. 10, 2026, 3:28 p.m.

Unofficial Re-stream by SPACE AFFAIRS has started


hitura-nobad • Sept. 10, 2026, 1:30 p.m.

Now targeting Sep 10 at 15:42:30 UTC


Falcon 9

Family:
Configuration: Block 5

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 fifth major interval aimed at improving upon the ability for rapid reusability.

See Details
Specifications
  • Stages
    2
  • Length
    70.0 m
  • Diameter
    3.65 m
  • Fairing Diameter
    5.2 m
  • Launch Mass
    549.0 T
  • Thrust
    7607.0 kN
Family
  • Name
    Falcon 9
  • Family
    ―
  • Variant
    Block 5
  • Alias
    ―
  • Full Name
    Falcon 9 Block 5
Payload Capacity
  • Launch Cost
    $52000000
  • Low Earth Orbit
    22800.0 kg
  • Geostationary Transfer Orbit
    8300.0 kg
  • Direct Geostationary
    ―
  • Sun-Synchronous Capacity
    ―

Booster Info


B1081

Status: Active


Type: Core
Flight Proven: Yes
First Flight: August 26, 2023
Last Flight: October 16, 2026
Flights: 28
Landings Attempted: 28
Landings Successful: 28
Previous B1081 Flights

Landing Information

The Falcon 9 first stage B1081 has landed on ASDS OCISLY after its 27th flight.

Result: Successful Autonomous Spaceport Drone Ship landing at Of Course I Still Love You.

SpaceX

SpaceX

(SpX)

CEO: Elon Musk Founded: 2002 Successes: 724 Failures: 15 Pending: 137

Agency Type:

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 Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX operates from many pads, on the East Coast of the US they operate from SLC-40 at Cape Canaveral Space Force Station and historic LC-39A at Kennedy Space Center. They also operate from SLC-4E at Vandenberg Space Force Base, California, usually for polar launches. Another launch site is being developed at Boca Chica, Texas.

INFO WIKI
Spaceflight Now

Live coverage: SpaceX to launch classified payload for the U.S. Space Force

The mission, dubbed USSF-153 mission, will launch an undisclosed number of satellites for the U.S. Space Force. Liftoff from pad 4E at Vandenberg Space Force Base is scheduled during a three-hour window that opens at 8:37 a.m. PDT (1137 a.…

NASASpaceflight

Launch Preview: Soyuz, CZ-8A, and Falcon 9 to launch from sites around the world

Five orbital launches are expected this week. Two Falcon 9s are expected to launch from… The post Launch Preview: Soyuz, CZ-8A, and Falcon 9 to launch from sites around the world appeared first on NASASpaceFlight.com.

Vandenberg SFB, CA, USA

Space Launch Complex 4E


H3-24
Success
4 hours, 8 minutes ago
Martian Moons eXploration (MMX)
Yoshinobu Launch Complex LP-2 - Tanegashima Space Center, Japan

MMX is a Japanese scientific mission to land on Phobos, one of the two moons of Mars, to collect samples before bringing them back to Earth. The m…


Falcon 9
Success
3 days, 23 hours ago
USSF-481
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bu…


Zhuque-2E Block 2
Success
5 days, 12 hours ago
10 satellites
Launch Area 96A - Jiuquan Satellite Launch Center, People's Republic of China

Ride-share of 10 satellites to sun-synchronous orbit, including: * Guangchuan-03 & 04 (LT-03/04) from LandSpace's subsidiary LandTower for testing…


Falcon 9
Success
6 days, 13 hours ago
Dragon CRS-2 SpX-35
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

35th commercial resupply services mission to the International Space Station operated by SpaceX. The flight will be conducted under the second Commer…


Falcon 9
Success
6 days, 23 hours ago
Starlink Group 15-25
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Falcon 9
Success
1 week, 2 days ago
SDA Tranche 1 Transport Layer A
Space Launch Complex 4E - Vandenberg SFB, CA, USA

Tranche 1 Transport Layer A is one of six missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Sp…


Long March 12
Success
1 week, 3 days ago
SatNet LEO Group 27
Commercial LC-2 - Wenchang Space Launch Site, People's Republic of China

A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…


Nuri
Success
1 week, 5 days ago
NeonSat-2 to 6
LC-2 - Naro Space Center, South Korea

NeonSat-2 to 6 are part of the South Korean government's Earth observation micro-satellite constellation NeonSat (New-space Earth Observation Satelli…


Falcon Heavy
Success
2 weeks, 3 days ago
NROL-97
Launch Complex 39A - Kennedy Space Center, FL, USA

Classified payload for the US National Reconnaissance Office.


Falcon 9
Success
2 weeks, 4 days ago
Transporter 18 (Dedicated SSO Rideshare)
Space Launch Complex 4E - Vandenberg SFB, CA, USA

Dedicated rideshare flight to a sun-synchronous orbit with dozens of small microsatellites and nanosatellites for commercial and government customers.