The Chinese, who launched their first astronaut into space last year, are “shocked” the United States has not welcomed them into the tight-knit community of space-faring nations, a leading U.S. expert said on Tuesday. Joan Johnson-Freese, who chairs the National Security Decision Making Department at the U.S. Naval War College, said one space official she met on a recent trip to China was in tears as he pleaded for U.S. recognition and cooperation.