> Surely the orbit of this satellite will be well known and so false positives alarms can be ruled out? It's not the physical presence of the satellite over th

> Surely the orbit of this satellite will be well known and so false positives alarms can be ruled out? It's not the physical presence of the satellite over the US that messes up (or could) ICBM detection, it's the operation of the satellite's radar system. That's why they have to turn off the radar when it's over the US and Europe.