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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 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 is preparing for the second flight of its two-stage Spectrum rocket, with launch opportunities from 21 to 23 January.
In December 2021, Isar Aerospace announced that seven payloads had been selected to fly aboard Spectrum’s debut flight.
In December 2025, Isar Aerospace announced successful hot fire tests of both stages of the Spectrum rocket for its second flight.
Isar Aerospace's second flight of the Spectrum rocket is dubbed 'Onward and Upward' and is scheduled to occur no earlier than 21 January.
Isar Aerospace is targeting a launch date of January 21, 2026, for Mission 'Onward and Upward', subject to weather, safety, and range clearance.
In May 2021, Isar Aerospace was announced as one of two second-round winners of the challenge, securing €11 million in funding.
Isar Aerospace launched its first Spectrum rocket in March 2025 from the Andøya Spaceport in Norway, but it failed less than a minute into flight.
Isar Aerospace is working on Spectrum rockets for flights three through seven, indicating plans to rapidly ramp up its launch cadence.
Isar Aerospace opted not to carry the first set of payloads aboard the inaugural flight of Spectrum.
The second Spectrum flight will be the first to carry payloads as part of Isar Aerospace's involvement with the DLR Microlauncher Challenge.
The funding for Isar Aerospace came with the requirement to launch two sets of payloads with a combined mass of no more than 150 kilograms each over its first two flights.
Σyndeo-3 is scheduled to launch from Andøya Space in Norway in Q4 2026 on Isar Aerospace’s Spectrum launch vehicle.
Isar Aerospace's proposal focuses on a reusable first stage that would be integrated into its Spectrum launch system.
Contracts were awarded to ArianeGroup and Isar Aerospace for the development of their respective proposals from Phases 0/A through B1.
Isar Aerospace's Spectrum rocket failed to reach orbit, exploding in a fireball less than a minute after launch.
Isar Aerospace delivered a mass-to-orbit of 0.0 kg with 100% of their launches having known mass.
Isar Aerospace completed stage testing and is preparing for its second launch from its dedicated launch complex at Andøya Space in Norway.
Isar Aerospace operates a vertically integrated, automated production system to deliver launch capability from European soil.