Third test flight of the Isar Spectrum launch vehicle. This launch will carry various satellites including R-Space’s AT-Astra/IOD-01, which will perform in-orbit demonstrations for ENPULSION, SUNBOOSTER GmbH, and Synopsis Planet. December 31, 2026 at 00:00 UTC · To Be Determined Spectrum — Isar Aerospace, to Sun-Synchronous Orbit Orbital Launch Pad, Andøya Spaceport Data: Launch Library 2, The Space Devs. Image by Isar Aerospace | Robin Brillert, Wingmen Media via The Space Devs.