Question: When did China join the Galileo project?

Is In October 2004, China officially joined the Galileo project by signing the Agreement on the Cooperation in the Galileo Program between the "Galileo Joint Undertaking" (GJU) and the "National Remote Sensing Centre of China" (NRSCC). a good answer to this question?

OPT:
(a). yes;
(b). no;
(a).