Space · launch vehicle
Vulcan VC4S
ULA
ACTIVE
At a glance
Launches
2
1 pending
Success rate
100%
2 ok · 0 failed
Payload to LEO
—
Payload to GTO
—
Manufacturer
United Launch AllianceStatus
ActiveFirst flight
13 Aug 2025Reusable
NoHeight
—Diameter
—Launch mass
—Liftoff thrust
—Stages
—Launch cost
—Booster landings
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About
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.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026