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Northrop Grumman's Cygnus XL Delayed by Engine Failures

9/17/2025

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Summary

Story summary

Northrop Grumman's Cygnus XL cargo ship, carrying over 11,000 pounds for the ISS, experienced engine shutdowns on September 16, delaying its arrival.
NASA reported premature stops of the main engine during two orbit-raising burns.
Flight controllers are assessing the situation and creating an alternate burn plan.
Launched on September 14 from Cape Canaveral via a SpaceX Falcon 9, this mission is the first for the upgraded Cygnus XL, which carries 33% more cargo.
NASA astronaut Jonny Kim must now wait for a new arrival date to capture the Cygnus with the Canadarm2.

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Story summary

Northrop Grumman's Cygnus XL cargo ship, carrying over 11,000 pounds for the ISS, experienced engine shutdowns on September 16, delaying its arrival.
NASA reported premature stops of the main engine during two orbit-raising burns.
Flight controllers are assessing the situation and creating an alternate burn plan.
Launched on September 14 from Cape Canaveral via a SpaceX Falcon 9, this mission is the first for the upgraded Cygnus XL, which carries 33% more cargo.
NASA astronaut Jonny Kim must now wait for a new arrival date to capture the Cygnus with the Canadarm2.