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Isar Aerospace announced a joint project with SSC Space on February 4, 2026 to build a second test facility at the Esrange Space Center in northern Sweden to expand test operations.
The new Esrange test facility will support Isar Aerospace’s Spectrum rocket development and enable vertical integration from design through manufacture, testing, and operations.
Isar Aerospace is based in Munich and its co‑founder and CEO is Daniel Metzler.
Binding Term Sheets were signed by Isar Aerospace, PLD Space, Rocket Factory Augsburg, MaiaSpace, and Latitude to formalize their allocation at the future ELM site.
Isar Aerospace is the most advanced among the prospective ELM operators in its preparations to begin commercial operations of its rocket, but its initial flight activity is being conducted from Andøya Space in Norway.
CNES preselected Avio, HyImpulse, Isar Aerospace, MaiaSpace, PLD Space, Rocket Factory Augsburg, and Latitude in July 2022 for allocation at the ELM facility.
Isar Aerospace identified a pressurization valve issue during the first launch attempt of Mission 'Onward and Upward'.
Isar Aerospace launched its first Spectrum rocket in March 2025 from the Andøya spaceport in Norway and the flight failed in under one minute.
Isar Aerospace is preparing for the second flight of its two-stage Spectrum rocket.
In December 2025 Isar Aerospace completed successful hotfire tests of both stages of the Spectrum rocket for its second flight.
In May 2021 Isar Aerospace was one of two winners of the second round of the Microlauncher Competition and received €11 million in funding.
Several European institutional and commercial customers have signed for future manifests with Isar Aerospace.
The second test flight of Isar Aerospace’s Spectrum launch vehicle will originate from the Andøya Spaceport in Norway.
If successful, the second Spectrum test flight will enable Isar Aerospace to begin regular commercial operations.
Isar Aerospace selected the January 21–23, 2026 launch window based on optimal weather conditions at Andøya Spaceport and final readiness checks of the launch infrastructure.
Isar Aerospace has a revised launch window of January 21 to 23, 2026 for the second test flight of its Spectrum launch vehicle.
The European Space Agency preselected Rocket Factory Augsburg, Isar Aerospace, MaiaSpace, Orbex, and PLD Space as challengers for the European Launcher Challenge in July.
Isar Aerospace marketed the second Spectrum mission as a test flight focused on collecting flight-data through max-Q, stage separation, and second-stage insertion into orbit.
Isar Aerospace performed the first launch attempt of its Spectrum vehicle from Andøya Spaceport in northern Norway in March, and the vehicle malfunctioned shortly after liftoff, falling into waters adjacent to the launch pad less than a minute after liftoff.
Isar Aerospace scheduled a second Spectrum launch no earlier than Wednesday, January 21 at 9:00 p.m. local time (3:00 p.m. EST) from Andøya carrying five cubesats and a hosted payload to a 500-kilometer polar orbit on a mission called "Onward and Upward."