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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 controlled launch through Electron, spacecraft bus through Photon, and was building toward Neutron twelve months ago.

PlanCapabilityValue 3.8May 7, 2026Vertical Integration Is Now a Valuation Story

Rocket Lab’s Electron vehicle is operational, HASTE is oriented to hypersonic applications, and Neutron is designed for the medium-lift payload segment.

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CapabilityGeneralValue 3.5May 7, 2026La Virginia rafforza l’asse spazio e sicurezza nazionale

After landing at Shackleton, Chang’e 7’s orbiter will use its Wide-Band Infrared Spectrum Mineral Imaging Analyzer and Lunar Neutron Gamma Spectrometer to assist exploration planning and monitor the lander, rover, and hopper.

CapabilityPlanGeneralValue 4.2May 6, 2026Chang'e 7's Long Route From Wenchang to the Moon's South Pole

Rocket Lab's Neutron launch vehicle is expected to begin qualification testing later in 2026.

PlanCapabilityValue 4.0Apr 23, 2026Rocket Lab Successfully Launches “Kakushin Rising” Mission for JAXA

The Gauss thruster joins Rocket Lab’s propulsion systems for the Electron rocket, the Neutron rocket, and the Electron Kick Stage.

RelationshipsCapabilityValue 4.0Apr 21, 2026New Electric Propulsion Satellite Thruster Introduced

Golden Dome, the Proliferated Warfighter Space Architecture, Amazon Leo, and Rocket Lab’s Neutron backlog are driving a major demand ramp for space hardware.

GrowthCapabilityValue 2.0Apr 14, 2026The Pass-Through Problem

Rocket Lab’s Neutron targets the medium-lift launch market gap.

GeneralPlanValue 2.0Apr 7, 2026What the SpaceX IPO Changes for Every Satellite Operator

The neutron-star collision was identified as GRB 230906A, which occurred on 6 September 2023.

GeneralValue 3.0Mar 14, 2026Stelle ultradense: osservata collisione in una minuscola galassia

NASA missions likely detected a collision between two neutron stars in a tiny galaxy embedded in a large stream of gas.

GeneralCapabilityValue 2.0Mar 14, 2026Stelle ultradense: osservata collisione in una minuscola galassia

A neutron-star collision can produce heavy elements such as gold and platinum through a chain of nuclear reactions.

GeneralValue 1.2Mar 14, 2026Stelle ultradense: osservata collisione in una minuscola galassia

The Auckland Machine Complex will support high-volume manufacturing of components for Rocket Lab’s spacecraft customers, support acceleration of Electron rocket production rate, and supply machined components for Neutron.

CapabilityGrowthRelationshipsValue 4.5Mar 3, 2026Rocket Lab Makes Strategic Acquisitions in Optics, Manufacturing

The first Neutron first-stage tank that ruptured was handlaid by a third-party contractor while Rocket Lab was commissioning an automated fiber placement machine for future production.

CapabilityRelationshipsGrowthValue 4.0Feb 27, 2026Latest News

The next Neutron first-stage tank is being produced on an automated fiber placement machine to eliminate the possibility of the handlaid defect recurring.

CapabilityPlanValue 4.2Feb 27, 2026Latest News

Rocket Lab is building additional Neutron tail numbers to support faster convergence into subsequent flights.

GrowthPlanValue 3.6Feb 27, 2026Neutron’s First Launch Slips to Q4

Rocket Lab’s stock fell more than 10% on the Friday following news of the Neutron launch delay.

FinancialPlanValue 4.0Feb 27, 2026Latest News

Rocket Lab pushed the first Neutron launch to the fourth quarter of this year.

PlanValue 4.0Feb 27, 2026Latest News

Rocket Lab uncovered a manufacturing defect after a Neutron first-stage tank ruptured during testing in January.

CapabilityPlanGeneralValue 4.0Feb 27, 2026Latest News

CFO Adam Spice previously tied Rocket Lab’s profitability to beginning flights of the Neutron rocket during past earnings discussions.

GovernanceFinancialValue 2.6Feb 27, 2026Neutron’s First Launch Slips to Q4

Rocket Lab is making minor design changes to the Neutron first-stage tank and will subject the modified tank to a test and qualification campaign.

CapabilityPlanValue 4.0Feb 27, 2026Latest News

The Neutron rocket’s debut has been delayed multiple times after previously being expected to launch earlier this year.

PlanValue 2.0Feb 27, 2026Latest News