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NASA’s ICON mission on Northrop Grumman Pegasus XL rocket scrubbed

7 Nov 2018, 07:53 UTC
NASA’s ICON mission on Northrop Grumman Pegasus XL rocket scrubbed
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After working through a few technical difficulties, Northrop Grumman Innovation Systems was ready to launch NASA’s ICON mission aboard its Pegasus XL rocket on Wednesday. However, the attempt was aborted just minutes head of the launch. The air-drop launch of Pegasus XL from underneath the L-1011 Stargazer aircraft was scheduled to occur five minutes after the opening of the launch window – at 03:05 EST (0805 UTC) on Wednesday, 7 November, 200 miles east of Daytona Beach, Florida – prior to an electrical issue forcing another delay.
The road to launch:
The 7 November launch attempt off Central Florida’s east coast came after Northrop Grumman Innovation Systems (NGIS) conducted a captive carry test flight of their Stargazer L-1011 aircraft and Pegasus XL rocket to gather flight data following discovery in late-October of a new issue with the launcher system.
The mission had been on track for a launch on 26 October when the new issue was discovered that forced NGIS to delay launch in order to investigate and fixed the problem.
The issue follows directly behind a previous issue that forced a launch delay back in June after Stargazer, Pegasus XL, and ICON had already left the United States for ...

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