The story

Japan is mobilizing its missile defense system, and U.S. Navy ships are deploying to the Sea of Japan, as North Korea prepares to launch a rocket that is expected next month, officials said.

Japan's move, aimed at shooting down debris from the launch that might fall into its territory, is notable for a country with a pacifist constitution.

The U.S. ships are capable of shooting down ballistic missiles, a Navy spokesman said. Read full article »

CNN's Kyung Lah and Mike Mount contributed to this report

All About U.S. NavyNorth Korea

Don't Miss