KIEV, Ukraine — How did a $400 million satellite just three years into an expected 15-plus years of operations develop a sudden propellant leak and then lose all communications within 48 hours?

The Intelsat IS-29e satellite was declared a total loss on April 18 following the two separate events, both apparently related to its propulsion system.

Intelsat’s most immediate is how best to relocate IS-29e customers, preferably to other Intelsat satellites but if not then to competitors’ spacecraft. That process began almost immediately after . . .

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