VULCAN VC4S VC4S
EXPENDABLE LAUNCH VEHICLE
ACTIVE
Technical Overview
Variant
category
VC4S
Family
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Vulcan
Engine Details
BE-4
BE-4 is Blue Origin’s methalox booster engine used on Vulcan variants.
Propellant
LNG / LOX
Thrust
2,846 kN
Cycle
Oxygen-rich staged combustion
Flight History
*Since 2025-08-13
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Total Launches
2
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2 consecutive successes
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Successful Launches
2
verified
100% success rate
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Failed Launches
0
schedule
1 pending