The US has already leaned hard on European officials to abandon the €1.1bn (£772m) project.
Last year, the EU press spokesman for Galileo, Gilles Gantelet, declared that under the strain of American pressure, "Galileo is almost dead".
While US pressure has not killed off the Galileo project entirely, concessions made by European officials mean Galileo will now be a much weaker rival to GPS than the system they had envisioned.
https://www.theguardian.com/uk/2003/dec/08/world.internation...
Galileo will lead Europe into conflict with the US, which has security concerns about the building of a navigational network to rival its own system.
http://news.bbc.co.uk/2/hi/science/nature/1893022.stm
The United States has security worries about the development of Galileo.