NorthSouth - why would it make any difference if GPS was approved for navigation?
ILSs, and to a lesser extent VORs, are regularly taken down for maintenance, etc. There are some NDBs which have been out of service for longer than I've been flying (which isn't all that long, but it's long enough to fix an NDB!) As long as it's properly NOTAMed, there's no reason why any navigation system shouldn't be taken out of service, especially if an alternative is available.
FFF
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PS - UR, wasn't it the US military who did all those things? Can't see what relevance that has to us in the UK
