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Onward and Upward

Success Launch Successful Isar Aerospace, Spectrum

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Mission: Onward and Upward

Test Flight · Sun-Synchronous Orbit

Second test flight of the Isar Spectrum launch vehicle. This launch will carry 5 cubesats and 1 non-separable experiment as part of European Space Agency (ESA)'s “Boost!” program: * CyBEEsat (TU Berlin) * TriSat-S (University of Maribor) * Platform 6 (EnduroSat) * FramSat-1 (NTNU) * SpaceTeamSat1 (TU Wien Space Team) * Let It Go (Dcubed, non-separable experiment)

Where to watch

Official Webcast "Onward and Upward" Mission of Isar Aerospace Isar Aerospace · English Unofficial Webcast Isar Aerospace Launches "Onward and Upward" Mission NASASpaceflight · English

Updates

  • Launch success. source
  • Payload separation confirmed. source
  • Liftoff! source
  • New T-0 (6 minute delay) source
  • Adjusted T-0 source
  • Official Webcast by Isar Aerospace has started source
  • GO for launch. source
  • NET September 5 per NOTAMs, TBC. source
  • Scrubbed for the day. source
  • NET September 4 per air space closure notices, TBC. source
  • NET August 6, TBC. source
  • Reverted back to NET June TBD with cancellation of closure notices. source
  • NET June 20 per new NOTAMs, TBC. source
  • NET June 18 per new NOTAMs, TBC. source
  • Scrubbed for the day due to vehicle fluid system issues. source
  • Go for launch. source
  • NET June 15. source
  • NET mid-June. source
  • Delayed to NET May. source
  • Launch attempt scrubbed due to COPV leaks. New date tbd source
  • NET April 9. source
  • NET April 8 per marine navigation warnings, TBC. source
  • Delayed to NET April. source
  • Reverted back to NET March TBD with cancellation of NOTAMs. source
  • NET March 28 per new NOTAMs, to be confirmed. source
  • Launch attempt aborted, new date to be determined source
  • Hold! source
  • New T-0 source
  • New T-0. source
  • Official Webcast by Isar Aerospace has started source
  • GO for launch. source
  • Delayed to NET March 25 due to launch site weather. source
  • NET March 23 due to launch site weather. source
  • Added daily launch window. source
  • NET March 19. source
  • Delayed to next range window in February. source
  • Scrubbed for the day due to pressurization valve issue. source
  • GO for launch. source
  • NET January 20 per new NOTAMs. source
  • NET January 17. source
  • Delayed to NET 13 January 2026. source
  • Moved to NET December 2025 with possibly related NOTAMs/marine navigation warnings issued for December 6-19, to be confirmed as for Spectrum. source
  • Adding launch source