How does a satellite break up in orbit? Was it struck by something?
replies(11):
[1] https://www.armscontrol.org/act/2024-03/news/us-warns-new-ru...
And yes, malfunction is the most likely cause, distantly followed by attack. Micrometeoroid isn't very likely IMO, considering Intelsat-29e failed similarly. Unless maybe if they painted a red target on it and the meteor god has a sense of humor.