Opinion (Andrew J. Bacevich): The failure of an all-volunteer military

"WAR IS the great auditor of institutions," the British historian Corelli Barnett has observed. In Iraq, the United States has undergone such an audit and been found wanting. The defects of basic US national security institutions stand exposed. Failure to correct those defects will only invite more Iraqs -- unnecessary wars that once begun prove unwinnable.

The essential guarantor of US national security is the all-volunteer force. In its hey day -- the 1990s -- the all-volunteer force underwrote America's claim to global preeminence. Its invincibility taken for granted, the volunteer force seemed a great bargain to boot. Maintaining the world's most powerful military establishment imposed a negligible burden on the average citizen. No wonder Americans viewed the volunteer military as the most successful federal reform program of the postwar era. What was there not to like?

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