spaceport - If China wanted to hush the purpose of a space launch, can it be inferred outside of China?

What I had in mind is that China's territory is rather large and they could place a launch site deep within its territory. Flow of information is tightly controlled as it is with the Great Firewall of China in place, and the communist Big Brother having eyes and ears at every corner of its territory, leaving West in the cold without direct means of establishing their mission's purpose, if China chose to keep it secret.At least any information that could be gathered via intelligence agencies of the West would likely not leak to the public (or so...Read more