Galileo was built to insure against the USA cutting off GPS over Europe in a future trade dispute / a French vanity project / a illegal government support of EU aerospace (delete as appropriate)
It is unlikely that the eu and USA and Russia will all cut off access to the UK. Galileo can't it doesn't have the finesse to allow a French container ship in the channel but block a British one.
The reason the brits want access to the secure signal is to do another Falklands without asking USA permission. Once it becomes Puerto Rico on thames this isn't an issue
Biting the hand that feeds IT
