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Why did the US Army decide to create a new basic branch for cyberspace? This decision is puzzling because it broke with long-standing patterns. We argue that it reflects an attempt at cultural change within the military. The establishment of a new branch for…

International security competition in the twenty-first century is likely to remain largely within the “gray zone”—a category of aggressive activities that threaten core aspects of statehood while avoiding the threshold of armed force that has…

China and the United States are locked in an intensifying security competition, much of it revolving around—but increasingly transcending—Taiwan's continued autonomy. The operational value of a Chinese-controlled Taiwan has been cited as one reason for the…