The wars of the 21st century will be dominated by three overlapping types of conflict: Wars of Silicon, Wars of Iron, and Wars in the Shadows. The United States must design a new readiness and investment strategy in order to effectively deal with all three. Yet today it continues to pour scarce resources chiefly into its sphere of long-held dominance — Wars of Iron. This is a potentially disastrous mistake, but one that can be corrected if we act now.

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