Isar Aerospace still commands top position among a new generation of European rocket startups, but the companys efforts to launch a critical test flight of its Spectrum rocket continue to encounter roadblocks. The latest delay came Monday, when Isar scrubbed a launch attempt after “detecting off nominal behavior in the vehicles fluid systems,” according to a social media post. “The teams are analyzing the new data to isolate the root cause.” The two stage, 92 foot tall 28 meter Spectrum rocket...
