Japan runs the risk of entrapment, but seems to accept that fate willingly.

Japan and the United States have successfully tested the Aegis ballistic missile defense system on Tuesday.

Japan’s picked a new $1.2 billion radar for its two ground-based Aegis ballistic missile defense sites.

The price for two Aegis Ashore batteries could exceed $5.4 billion -- over twice the amount initially cited by the Japanese government.

Tokyo has selected Lockheed Martin’s most advanced long-range radar system for its two Aegis Ashore batteries.

The U.S. State Department approved a possible sale of U.S.-made supersonic ballistic missile interceptors to Japan.

Japanese Prime Minister Shinzo Abe’s Cabinet approved the procurement of two Aegis Ashore batteries.

Japan’s defense minister is slated to visit a testing site of the Aegis Ashore missile defense system in January.

Tokyo is considering the deployment of SM-6 interceptors at its proposed ground-based Aegis Ashore installations.

Active deterrence could be deployed against North Korea’s ballistic missile tests under specific conditions.

Is it time for Japan to acquire long-range cruise missiles?

Plus, Chuck Hagel discusses the U.S. Offset Strategy, Japan plans BMD overhaul, and more. Mid-week links.