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Artemis II Moon Mission
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Crew Flies Orion to Within Ten Metres of Upper Stage

1 min read
16:13UTC

A 70-minute manual approach-and-retreat demonstration validated the docking skills needed for future deep-space rendezvous.

ScienceDeveloping
Key takeaway

Manual docking capability, essential for future lunar landings, has been demonstrated.

Reid Wiseman and Victor Glover guided Orion to within approximately 10 metres of the detached Interim Cryogenic Propulsion Stage upper stage during a 70-minute manual approach-and-retreat demonstration on 1 April 1. The exercise validates manual docking capability for future missions where Orion must rendezvous with a lander in deep space, far from the ground-based navigation aids available in low Earth orbit. No automated docking system was used. The crew flew the spacecraft by hand, controlling approach speed and orientation through direct thruster commands. Future Artemis landing missions depend on this skill: the crew must dock with a lunar lander before descending to the surface, and communication delays make full ground control impractical.

Deep Analysis

In plain English

Before heading to the Moon, the crew spent 70 minutes practising flying the capsule by hand to within about 10 metres of the rocket stage that had just separated from them, then retreating again. This matters because future missions will require the crew to dock with a separate lunar lander spacecraft in deep space, far from the ground controllers who usually handle such manoeuvres. The further from Earth you are, the longer it takes for radio signals to travel back and forth, which makes remote control impractical. The crew passed the test. They can fly their own spacecraft close to another object by hand in space.

First Reported In

Update #1 · Artemis II Commits to the Moon With Three Open Questions

Spaceflight Now· 2 Apr 2026
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Causes and effects
This Event
Crew Flies Orion to Within Ten Metres of Upper Stage
Manual proximity operations in deep space are a prerequisite for Artemis missions where Orion must rendezvous with a lunar lander far from Earth.
Different Perspectives
ESA
ESA
The European Service Module has operated without anomaly for five consecutive days, with the OMS-E engine's translunar injection precision directly responsible for eliminating both correction burns. ESA's hardware contribution is the mission's highest-performing subsystem.
NASA
NASA
NASA cancelled a second consecutive outbound correction burn and confirmed Orion in lunar gravitational dominance, while declining to publish any crew radiation dose data through a complete G3 storm cycle. Bipartisan congressional rejection of its $18.8 billion FY2027 budget proposal means the agency faces a political fight even as its spacecraft performs above expectations.
Dual-framework nations
Dual-framework nations
Signing both the Artemis Accords and the ILRS framework is rational hedging, not defection; smaller nations maximise access without exclusive commitment. Lunar governance is genuinely multipolar, and the US coalition count of 61 overstates exclusivity.
Boeing / Northrop Grumman
Boeing / Northrop Grumman
SLS component production spans more than 40 US states, giving the industrial base strong political protection regardless of commercial alternatives. Congressional mandates guarantee contracts through FY2029, insulating the supply chain from technical programme changes.
NASA Office of Inspector General
NASA Office of Inspector General
The IRB heat shield findings should have been published before launch. The Starship HLS is two years behind schedule with a worsening manual control dispute. NASA has no crew rescue capability for lunar surface operations. The programme is proceeding with documented, unresolved risks.
SpaceX
SpaceX
Starship HLS development is ongoing. SpaceX disputes the characterisation of the manual crew control requirement as unresolved, maintaining its autonomous landing architecture meets mission safety objectives. The company has not publicly responded to the OIG's worsening-trend characterisation.