As space becomes more important to military operations, the flimsiness of the laws and conventions that govern space operations is more apparent. It’s not so much that the structure has become weaker as that technological and industrial developments have exposed its failings. Recent years have seen a satellite shoot-down demonstration by China in January 2007, followed a year later by the U.S. shoot-down of the malfunctioning USA 193 spacecraft. There have also been reported incidents of deliberate non-kinetic interference with U.S. spacecraft. Analyst Dean Cheng of the Heritage Foundation, speaking at a symposium on deterrence in Omaha, Neb., noted that...