Not exactly. NASA's budget covers many different things, not just spaceflight.
isn't that the point? What exactly is NASA's mission?
Their stated mission is as follows:
That seems very broad whereas the Chinese seem focused on the manned space flight prize. Just an observation.
Perform flight research and technology integration to revolutionize aviation and pioneer aerospace technology.
Validate space exploration concepts.
Conduct airborne remote sensing and science missions
Support operations of the International Space Station - for NASA and the nation.