> Initially designed to last five years. I imagine that it was only sold like this in order to be able to call the mission a success after 5 years. I imagine t

> Initially designed to last five years. I imagine that it was only sold like this in order to be able to call the mission a success after 5 years. I imagine that the engineers that created the probes, designed them to last as long as possible and were targeting a much longer lifespan from the get go.