For years, China complained about the development and deployment of American missile defenses, a capability that Beijing didn’t have and claimed would undermine strategic stability and security in Asia. It’s funny how you don’t hear Beijing protesting about the development and deployment of U.S. missile defenses anymore now that China itself is developing and deploying missile defense systems. Talk about hypocrisy. China’s Defense Ministry reported earlier this month that one of its missile defense systems had conducted a “ground-based midcourse missile interception test ” that had achieved “the desired [but unspecified] test objective.” Naturally, the Chinese claimed that the test...