Vulcan family

Vulcan 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.

Flights flown21 scheduled
Success rate100%2/2
Maiden flight2025-08-13
Peak year20251 flight

Vulcan VC4S is built by United Launch Alliance of the United States. Company background, funding, contracts and news for this operator are tracked on Space Index. It first flew on 13 August 2025.

Flight record

3 records
100% success rate2 of 2 flown
2025peak 2025 · 1 flight2026
First flight2025-08-13
Latest flight2026-02-12
Failures0
Consecutive successes2
Fastest turnaround183d 8h

Vehicle

VC4S spec
Maiden flight2025-08-13

Pads used

1 pad

Orbits delivered

2 orbits
Geostationary Orbit1Geosynchronous Orbit1

Launch history

3 launches
DateMissionPadOrbitOutcome
2026-02-12Vulcan VC4S | USSF-87Space Launch Complex 41Geostationary OrbitSuccess
2025-08-13Vulcan VC4S | USSF-106Space Launch Complex 41Geosynchronous OrbitSuccess
TBDVulcan VC4S | NROL-88Space Launch Complex 41UnknownScheduled

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.

Further reading: Wikipedia · Operator page