Japan Readies Defenses For Possible Missile Test By North Korea -- L.A. Times
Japan readied its missile defense systems Tuesday against a possible North Korean weapons test, saying it would shoot down any missiles or debris if Japanese territory was threatened.
Patriot anti-missile batteries were deployed on the grounds of the Defense Ministry in Tokyo and at military installations in and around the capital, according to Japanese news reports. The PAC-3 batteries will also be based on the island of Okinawa, which hosts the bulk of U.S. troops in Japan, sooner than planned in response to North Korea's threats, the Asahi Shimbun reported.
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Update #1: Japan deploys missile-defense batteries -- CNN
Update #2: Wary of North Korea, Japan Puts Missile Defense in Tokyo -- New York Times
My Comment: I suspect that the Japanese are beside themselves to take all of these measures because of a 30 year old dictator in Pyongyang.