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Launch Vehicles
Vehicle family profile

Neutron

Family-level launch record combining canonical variants, historical missions, public cadence forecasts, and available payload performance specs.

Rocket LabDevelopment
Admin
Variants
1
Canonical variants linked to this family.
Historical missions
0
Missions in the public mission table with actual launch dates.
Peak listed capacity
15,000 kg
Maximum payload capacity across listed variants and orbits.

Launch Cadence

Historical missions are grouped by actual launch year. Forecast cadence uses family-level launch-rate rows.

YearHistorical missionsForecast launches
202601
202703
202805
202906
203008
203108
2032010
2033010
2034010
2035012
2036012
2037012
2038012
2039012
2040012
2041012

Forecast Location Split

Performance Specs

Payload capacity by variant and target orbit when structured capacity rows are available.

VariantOrbitCapacityAltitudeInclinationSource
Neutron
LEO15,000 kgUnknownUnknownRocket Lab Reusable Rockets
Neutron
LEO13,000 kgUnknownUnknownRocket Lab Neutron

Recent Missions

Latest launched missions using variants in this family.

MissionVariantLaunch

No recent missions

No launched missions are linked to variants in this family.

Forecasted Missions

Upcoming mission rows with announced launch timing.

MissionVariantAnnounced

No forecasted missions

No upcoming announced mission rows are linked to this vehicle family.

Variants

Canonical variants rolled up into this launch vehicle family.

VariantStagesMissionsStatus
Neutron
Not stated0Development

1 launch location represented.

YearLocationLaunchesConfidenceBasis
2026Wallops Flight Facility / MARS | Launch Complex 3135%Conservative startup-ramp annual family throughput default: Neutron is targeted for debut in late 2026; use early operational ramp, not mature medium-lift cade...
2027Wallops Flight Facility / MARS | Launch Complex 3335%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2028Wallops Flight Facility / MARS | Launch Complex 3535%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2029Wallops Flight Facility / MARS | Launch Complex 3630%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2030Wallops Flight Facility / MARS | Launch Complex 3830%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2031Wallops Flight Facility / MARS | Launch Complex 3830%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2032Wallops Flight Facility / MARS | Launch Complex 31025%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2033Wallops Flight Facility / MARS | Launch Complex 31025%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2034Wallops Flight Facility / MARS | Launch Complex 31025%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2035Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2036Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2037Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2038Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2039Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2040Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2041Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated. Site-...
Wallops Flight Facility / MARS | Launch Complex 3
2026 · 35% confidence
1

Conservative startup-ramp annual family throughput default: Neutron is targeted for debut in late 2026; use early operational ramp, not mature medium-lift cadence.

Wallops Flight Facility / MARS | Launch Complex 3
2027 · 35% confidence
3

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2028 · 35% confidence
5

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2029 · 30% confidence
6

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2030 · 30% confidence
8

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2031 · 30% confidence
8

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2032 · 25% confidence
10

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2033 · 25% confidence
10

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2034 · 25% confidence
10

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2035 · 25% confidence
12

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2036 · 25% confidence
12

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2037 · 25% confidence
12

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Neutron
LEO
8,000 kg
Unknown
Unknown
Rocket Lab Reusable Rockets
Neutron
escape1,500 kgUnknownUnknownRocket Lab Neutron Payload User Guide
Track
Mentions
285
All verified mentions of this launch vehicle family in source documents.
0.0-5.0
Actions

Rocket Lab intends to provide an update on the Neutron schedule during its 2025 Q4 earnings call in February.

PlanFinancialValue 2.8Jan 22, 2026Rocket Lab Success and Setback

Neutron is Rocket Lab’s medium-lift rocket program.

Page5of15
GeneralValue 2.5Jan 22, 2026Rocket Lab Hiring Trends for January 2026 Signal Acceleration in Neutron Production and Space Systems

The study supports a unified physical picture in which fast radio bursts arise from highly magnetised neutron stars known as magnetars.

GeneralValue 1.2Jan 19, 2026China Sky Eye tracks binary-triggered fast radio burst activity

Rocket Lab is conducting neutron testing at its Space Structures Complex in Middle River.

CapabilityGeneralValue 3.8Jan 16, 2026RT by @Cosmic_Penguin: Neutron testing continues at our Space Structures Complex in Middle River with the thrust structure 🚀 This is one of the most complex parts of the rocket that must be able to withstand 2.1 million pounds of thrust during tests - more than 44 Electrons combined! pic.

The Neutron tank structure at Rocket Lab Middle River experienced its first rainfall after being moved outside last week.

GeneralValue 1.2Jan 10, 2026RT by @Cosmic_Penguin: RT by @Cosmic_Penguin: Rocket Lab Middle River Update January 10 The Neutron tank structure sees it's first rainfall today since being moved outside last week, but it now has a cap. I think the red and grey hardware may be for the transport trailer. Stay dry, tank buddy. @NASASpaceflight

The red and grey hardware may be for the transport trailer associated with the Neutron tank structure.

GeneralValue 2.0Jan 10, 2026RT by @Cosmic_Penguin: RT by @Cosmic_Penguin: Rocket Lab Middle River Update January 10 The Neutron tank structure sees it's first rainfall today since being moved outside last week, but it now has a cap. I think the red and grey hardware may be for the transport trailer. Stay dry, tank buddy. @NASASpaceflight

Rocket Lab will wait for the Neutron rocket to provide its reusability case in approximately 3 years.

PlanValue 3.0Jan 8, 2026RT by @Cosmic_Penguin: .@RocketLab: We'll wait for #Neutron rocket to provide its reusabiity case in ~ 3 yrs before we focus on investments in our ultimate goal: our own constellation. Current assumption: Building 4 Neutrons gets us 16 launches per year at the start. https://www.spaceintelreport.com/rocket-lab-well-wait-for-neutron-rocket-to-prove-its-reusability-before-we-start-investing-in-our-future-constellation/

Rocket Lab assumes that building 4 Neutron rockets will enable 16 launches per year at the start.

PlanGrowthValue 4.0Jan 8, 2026RT by @Cosmic_Penguin: .@RocketLab: We'll wait for #Neutron rocket to provide its reusabiity case in ~ 3 yrs before we focus on investments in our ultimate goal: our own constellation. Current assumption: Building 4 Neutrons gets us 16 launches per year at the start. https://www.spaceintelreport.com/rocket-lab-well-wait-for-neutron-rocket-to-prove-its-reusability-before-we-start-investing-in-our-future-constellation/

Rocket Lab plans to wait for its Neutron rocket to prove its reusability before investing in its future constellation.

PlanGrowthValue 4.0Jan 7, 2026Rocket Lab: We’ll wait for Neutron rocket to prove its reusability before we start investing in our future constellation

Part of Neutron's first stage has been moved into public view at Rocket Lab's facility in Middle River, Maryland.

CapabilityGeneralValue 3.0Jan 3, 2026RT by @Cosmic_Penguin: After 24+ hours, the hardware is still upright and attached to the crane. It appears to have been rotated. Work is continuing at its base.

Rocket Lab USA's Neutron rocket secured contracts from NASA and commercial clients, contributing to projected positive cash flow for 2026.

RelationshipsFinancialValue 4.0Dec 26, 2025Space SPACs 2025

In black widow systems, a rapidly rotating neutron star is paired with a small companion that has lost material to the pulsar over time.

GeneralValue 1.8Dec 26, 2025Webb maps carbon rich atmosphere on distorted pulsar planet

PSR J2322-2650b orbits its neutron star at a distance of about 1 million miles.

GeneralValue 2.2Dec 26, 2025Webb maps carbon rich atmosphere on distorted pulsar planet

The detected gravitational waves suggest that two neutron stars may have merged to create a kilonova visible to telescopes.

GeneralCapabilityValue 2.2Dec 22, 2025Possible "superkilonova" exploded not once but twice

VIPER will use three scientific instruments: a mass spectrometer, a near-infrared spectrometer, and a neutron spectrometer.

CapabilityValue 4.0Dec 22, 2025Sandia centrifuge campaign clears NASA VIPER rover for lunar launch

Theoretical scenarios suggest ways in which sub-solar neutron stars could exist, including fission and fragmentation processes during supernova explosions.

GeneralValue 1.2Dec 22, 2025Possible "superkilonova" exploded not once but twice

The gravitational-wave data indicated that at least one of the neutron stars involved in the merger was less massive than the Sun.

GeneralCapabilityValue 1.4Dec 22, 2025Possible "superkilonova" exploded not once but twice

Rocket Lab announced the qualification of a new fairing system for its Neutron heavy-lift vehicle.

CapabilityPlanValue 4.0Dec 15, 2025When Playground Metaphors Drift into Warfighting Doctrine

The new fairing system for the Neutron heavy-lift vehicle is named the 'Hungry Hippo.'

CapabilityGeneralValue 3.0Dec 15, 2025When Playground Metaphors Drift into Warfighting Doctrine

The fairing halves integrated into the Neutron rocket remain attached to the rocket.

CapabilityValue 3.8Dec 12, 2025‘Hungry Hippo’ Fairing Successfully Qualified