Britain's space agency has written to 13 firms to remind them that they need security authorisation to engage in any future contracts on the sat-nav system.
It is being interpreted as a threat to block UK tech developed for Galileo from being transferred into the EU-27.
Isn't this a case of cutting off the nose to spite the face?
Galileo is almost complete. There is probably little more for UK companies to add that isn't already documented.
We've already lost the secondary control centre.
If UK government blocks UK companies from doing more work for Galileo, who is that going to hurt?