Marco Rubio actually said...

"I think this is really about enhancing our national security and we want to make sure that we don't jeopardize our national security."

"I'm just always concerned that somehow we ascribe to other countries the same motivations as we have for the space program and sometimes that those things don't add up."

"we have to be careful and realistic that we not somehow ascribe our motivations and our way of thinking to that of another nation that perhaps has different aims and goals for their space program."

"I think in an ideal world we'd want cooperation with China because I think three major powers: Russia, China, the United States, and others working in conjunction if in fact we all have the same goals..."