Q4S quantum networking satellite

by BoeingUS

Prove in space the basic step a quantum internet needs to stretch beyond single point-to-point links, so satellites can one day connect distant quantum computers and sensors.

ProtoStage 2 of 5

Payload passed ground tests and space qualification in 2026; in final integration for a 2027 launch.

Updated 17 Jun 2026Checked 11 Oct0 updates this week

Milestones

Next · Final spacecraft integration
  1. Q4S mission announced, launch targeted for 202610 Sep 2024Complete.
  2. Entanglement swapping shown on flight payload in ground tests17 Jun 2026Complete.
  3. Environmental qualification done; payload deliveredJun 2026Complete.
  4. Final spacecraft integrationTarget 2026Current milestone.
  5. LaunchTarget 2027+12 mooriginally 2026Not yet reached.
  6. One-year on-orbit demonstrationTarget 2027Not yet reached.
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