Isar Aerospace Calls Off 4 September Spectrum Launch Attempt

German launch services provider Isar Aerospace appears to have scrubbed a planned 4 September attempt to conduct the second flight of its Spectrum rocket. The company called off the attempt several hours after launch-related road closures came into effect. At 10:39 CEST on 4 September, Nordland Police announced that land and maritime traffic restrictions around […]