Tension in the Sea of Japan: North Korea launches two missiles 0:44

(CNN) -- Japan's Defense Ministry warned Monday that it will destroy any North Korean missiles entering its territory, after Pyongyang notified the country of plans to launch a "satellite" between May 31 and June 11.

"We will take destructive measures against ballistic and other missiles confirmed to land on our territory," Japan's Defense Ministry said in a statement.

Japanese Chief Cabinet Secretary Hirokazu Matsuno also said Monday that any North Korean missile launch disguised as a "satellite" is a "threat" to the country's security.

If North Korea goes ahead with its plan to launch a missile, it would violate U.N. Security Council resolutions and be a "grave provocation," Matsuno told reporters.

  • North Korea says it is ready to launch the first spy satellite, state media reports

Matsuno said Japan's Defense Ministry and the Self-Defense Forces have already issued an order regarding the preparation of destructive measures against ballistic missiles.

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In addition, the Ministry of Defense is also taking other precautions, such as the deployment of PAC-3 units – land-based missile defense batteries in parts of Okinawa Prefecture – and Aegis destroyers in waters near Japan's Nansei Islands.

Matsuno added that Japan would work closely with the U.S. and South Korea and urged Pyongyang to exercise restraint.

Japanese Prime Minister Fumio Kishida told reporters Monday that any missile launch by North Korea, even a satellite, is an "important matter affecting the security of Japanese citizens," and reiterated his willingness to hold talks with North Korean leader Kim Jong-Un.

North KoreaJapanNorth Korea ballistic missiles