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Watch the Launch

Additional Media

Watch live: ULA to launch geosynchronous orbit warning spacecraft for U.S. Space Force

Watch live coverage from Cape Canaveral Space Force Station as United Launch Alliance (ULA) launches a Vulcan rocket with the Geosynchronous Space Situational Awareness Program (GSSAP) spacecraft onboard. Liftoff from pad 41 at Cape Canaveral Space Force Station is scheduled for 4:22 a.m. EST (0922 UTC). The U.S. Space Force …

ULA Vulcan VC4S launches USSF-87

ULA Vulcan VC4S launches USSF-87 (GSSAP 7 & 8) from SLC-41, Cape Canaveral. Launch window: Feb 12 03:30 AM Eastern to 05:30AM Eastern. Current T0: Feb 12 03:30 AM Eastern. ⚡ Become a member of NASASpaceflight's channel for exclusive discord access, fast turnaround clips, and other exclusive benefits. Your support …

Vulcan USSF-87

A United Launch Alliance (ULA) Vulcan rocket will deliver national security spacecraft directly to geosynchronous orbit for the U.S. Space Force Space Systems Command on the USSF-87 mission. Liftoff will occur from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Launch ...

USSF-87

Overview

Destination: Geostationary Orbit
Mission: Government/Top Secret

Geostationary Orbit Space Launch Complex 41 Cape Canaveral SFS, FL, USA Probability: 95%

USSF-87 will launch two identical Geosynchronous Space Situational Awareness Program (GSSAP) satellites GSSAP-7 and GSSAP-8 directly to a near-geosynchronous orbit approximately 36,000 km above the equator. Data from the GSSAP will uniquely contribute to timely and accurate orbital predictions, further enabling space flight safety including satellite collision avoidance.

Telemetry

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

Updates


hitura-nobad • Feb. 12, 2026, 9:23 a.m.

Liftoff!


LL2 • Feb. 12, 2026, 8:59 a.m.

Official Webcast by United Launch Alliance has started


hitura-nobad • Feb. 12, 2026, 7:42 a.m.

New T-0 09:22 UTC



Vulcan VC4S

Family:
Configuration: VC4S

Vulcan Centaur is a two-stage-to-orbit, heavy-lift launch vehicle under development by United Launch Alliance (ULA) since 2014. It is principally designed to meet launch demands for the U.S. government's National Security Space Launch (NSSL) program for use by the United States Space Force and U.S. intelligence agencies for national security satellite launches. It will replace both of ULA's existing launchers (Atlas V and Delta IV Heavy) in this role, as these launchers are retiring.

See Details
Specifications
  • Length
  • Diameter
  • Fairing Diameter
  • Launch Mass
  • Thrust
Family
  • Name
    Vulcan VC4S
  • Family
  • Variant
    VC4S
  • Alias
  • Full Name
    Vulcan VC4S
Payload Capacity
  • Launch Cost
  • Low Earth Orbit
  • Geostationary Transfer Orbit
  • Direct Geostationary
  • Sun-Synchronous Capacity

United Launch Alliance

United Launch Alliance

(ULA)

CEO: Mark Peller Founded: 2006 Successes: 175 Failures: 0 Pending: 36

Agency Type:

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 spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.

INFO WIKI
SpaceNews

ULA deals with financial challenges caused by Vulcan grounding

United Launch Alliance’s corporate parents have guaranteed a loan to the company as it addresses “financial challenges” caused by the grounding of its Vulcan Centaur rocket. The post ULA deals with financial challenges caused by Vulcan gr…

Spaceflight Now

ULA confirms successful solid rocket booster test as Vulcan anomaly investigation continues

The static fire test was conducted by Northrop Grumman, the manufacturer of the GEM 63XL solid rocket booster that can be used to help power United Launch Alliance’s Vulcan rockets. An in-flight anomaly was observed on one of those back in…

SpaceNews

Space Force weighs launch alternatives as Vulcan faces potential months-long grounding

Officials explore shifting missions, extending satellites already in orbit The post Space Force weighs launch alternatives as Vulcan faces potential months-long grounding appeared first on SpaceNews.

Arstechnica

Rocket Report: Neutron launch date is delayed again; Vector Launch is back—sort of

"As the original architect of Vector’s vision, it’s deeply meaningful to bring these assets home."

SpaceNews

Space Force halts Vulcan missions pending investigation into solid rocket Issue

Delay complicates ULA’s push to accelerate launch cadence The post Space Force halts Vulcan missions pending investigation into solid rocket Issue appeared first on SpaceNews.

Cape Canaveral SFS, FL, USA

Space Launch Complex 41


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