Jeffrey W. Hornung is a political scientist at the nonprofit, nonpartisan RAND Corporation headquartered in California.
Opinion
Three questions Japan must answer as it seeks missile strike options
Cancellation of $4.2bn Aegis Ashore system raises fundamental defense challenges
Japan Maritime Self-Defense Force's base in Sasebo, pictured in April 2018: missing from the discussion is how strong Japan's passive measures are. © Reuters
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