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Milestones / Starship

Fly a long-duration Starship flight test

Before two Starships can transfer propellant, one has to stay in orbit long enough to show how its propulsion, thermal and propellant systems behave over an extended mission. SpaceX names this as the first of its two remaining HLS flight milestones.

Announced

Said on
30 October 2025
First target
2026Year precision, stated 30 October 2025
Current target
2026Year precision, stated 30 October 2025
Last checked
13 October 2026Next review due 27 October 2026

What would count as “done”

A Starship launched from Starbase spends an extended period in orbit gathering data on propulsion and thermal behaviour, including long-duration propellant storage and boil-off characterisation, as recorded by SpaceX or NASA.

Status Announced means: A plan has been stated publicly and this site has found no evidence that work toward it has been demonstrated yet. How statuses are decided.

Why we say this

SpaceX states this test will start with a Starship launched from Starbase spending extended time on orbit, and that a second Starship will then launch to rendezvous with it. Starship V3 is described as designed for long-duration flights with vacuum-jacketed header feed systems and a dedicated cryogenic propellant management system. No long-duration flight has been recorded as flown.

Stated uncertainty. Flight 14 spent under nine hours in orbit, shortened as a precaution, and SpaceX did not describe it as the long-duration test; the 2026 target window remains open at this review.

How the date moved

  1. Stated 30 October 2025 · recorded here 30 October 2025 · current target2026 (Year precision)

    First stated target window, given jointly for the long-duration flight test and the propellant transfer flight test.

    Source wording: “both of these tests are targeted to take place in 2026”

    Evidence: To the Moon and Beyond

What actually happened

We have not yet recorded anything that happened towards this promise. That describes our evidence, not the company: things may have happened that we have not written up yet.

Sources

  • To the Moon and Beyond

    SpaceX · Company statement · Published 30 October 2025 · Accessed 18 September 2026

    Locator: Update dated 30 October 2025, 'To the Moon and Beyond', sections 'Path 1: core Starship system' and 'Next steps'

    Company statement of the two remaining HLS flight milestones (a long-duration flight test and an in-space propellant transfer test), both stated as targeted to take place in 2026, and of the roughly five tonnes of cryogenic propellant already transferred between tanks in space.

  • Introducing Starship V3

    SpaceX · Company statement · Published 12 May 2026 · Accessed 18 September 2026

    Locator: Update dated 12 May 2026, 'Introducing Starship V3', Super Heavy and Starship change highlights

    Company description of the third generation of Starship and Super Heavy, including Raptor 3, the new launch pad, docking drogues and ship-to-ship propellant feed connections.

Who checked this

Reviewed by SPCX.today build agent, AI-assisted source check; owner approval requested before publication (Q261014-2) (AI-assisted review, not independent human review). Decision: publish.

Claims we compared with their sources

    What this check could not tell us

    • AI-assisted review drafted on 14 October 2026 for owner approval before publication; not independent human review.
    • Flight 14 outcomes rest on SpaceX's own mission page; no independent tracking or regulator source was checked for the flight.
    • The 2025 Florida launch count comes from Launch Library 2, an aggregator, with the range operator's all-provider total as corroboration. SpaceX has published no year-end figure.
    • Source pages were read through a browser on 13 October 2026 UTC (14 October in Sydney); accessedAt is normalised to 23:30 UTC.

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