Re: EU friends apparantly @ ArrZarr
Basically the argument is that global navigation is important (which it is), and ignores the fact that there are 2 and soon to be 3 other global navigation systems that all provide backup for each other.
This seems to be the default British position: someone well else will do it and give it us for free. But this conveniently ignores the consequences of saying the service is important. For example, think of energy supplies. These are also important. Now, what happens if you do not control your energy supply and have a dispute with whoever does? See the former Soviet republics of Ukraine, Estonia, Latvia and Lithuania for examples.
We've got so used to the ubiquity of GPS that we forget that it is only available as long as the US military thinks it good for them. Indeed encouraging a culture of dependency on it might actually be deliberate…