Of course, Swansea is still some distance from competing for a Champions League spot or hovering around the top of the Premier League, but picking up a trophy on Sunday would represent real validation for its decadelong project.

WSJ: U.K. Soccer's League Cup Hosts a Cinderella Story

The first four Galileo satellites comprise the so-called In-Orbit Validation (IOV) phase of the project.

BBC: Galileo: Europe's version of GPS reaches key phase