Coolant [Spaceships]

[Anthony]

Originally Posted by AlexanderHowl

Casualty is only violated if the message arrives before it is sent

Any FTL signal will arrive before it was sent in some reference frame (it's only actually a problem if round-trip time is negative, but that's doable too with more work). The order of events outside of their respective light-cones is not well defined in GR.