Members of Japan's Self-Defence Forces' airborne troops stand at attention during the annual SDF troop review ceremony at Asaka Base in Asaka

China is on the march. Or, to be precise, China has made a strong push, militarily and otherwise, into seas nearby, setting off alarms among its neighbors. Now Japan has pushed back, announcing it will “reinterpret” its pacifist constitution so it can be more militarily aggressive in responding to China’s persistent territorial expansionism.