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What if one spacecraft fails? Is LISA then a total loss?

April 26, 2017fails LISA loss spacecraft total

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What if one spacecraft fails? Is LISA then a total loss?

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• Yes, if one spacecraft fails completely, then the mission fails. However, it is extremely unlikely that an entire spacecraft would fail. The spacecraft are designed with enough redundancy to avoid credible single-point failures, and it is possible to accomplish the scientific goals of the mission with only four of the possible six one-way links between spacecraft working.