Asia

Improve Tokyo's missile defence capabilities: Japan News

TOKYO (THE JAPAN NEWS/ ASIA NEWS NETWORK) – The security environment around Japan is becoming even more severe. It is necessary to speed up the strengthening of capabilities regarding effective missile defence.

One year has passed since the government gave up on a plan to introduce the land-based Aegis Ashore missile interception system supplied by a US defence firm.

As an alternative measure, the government plans to build two Aegis-equipped vessels.

The Defence Ministry is conducting research and studies on the design of the vessels, with a view to using multihull vessels in which the upper structure is supported by more than one hull to reduce the effects of waves.

It is said the construction of these vessels will take about five years. Military tensions in East Asia are rising, with the danger of a contingency involving Taiwan having been pointed out.

It is important to finalise the details of the design at an early stage and accelerate the development of the vessels.

Currently, the nation’s eight Aegis-equipped destroyers are the mainstay of missile defense.

However, since they are also tasked with maintaining vigilance and surveillance duty in the area around the Senkaku Islands, there is a heavy burden to keep several of them stationed in the Sea of Japan to respond to possible North Korean missile launches.

If two vessels equipped with the system that was intended for Aegis Ashore are deployed, it will be possible to constantly monitor and intercept missiles throughout Japan. This would ease the burden on the Aegis-equipped destroyers.

In recent years, China and Russia have been developing hypersonic glide vehicles that fly at relatively low altitudes at very high speeds and are difficult to intercept. North Korea has test-fired a new type of missile that travels in an irregular trajectory.

In order to intercept such weapons, the US military is considering a new interception initiative that uses a constellation of satellites. It is important that the vessels to be constructed will be compatible with the initiative.

There are concerns that the cost of introducing the vessels, including maintenance costs, will increase significantly from the initial estimate of about ¥500 billion (S$6 billion). Limitless expansion of the costs should not be allowed.

The government must do its utmost to reduce costs and engage in price negotiations with the US side tenaciously.

The Maritime Self-Defence Force (MSDF) is suffering from a crew shortage, so it is urgent to secure personnel.

The MSDF should consider utilising Ground Self-Defence Force personnel who had been preparing for deployment of the land-based Aegis Ashore system as well as retired MSDF members.

At the same time, efforts to steadily increase deterrence should not be neglected. Possessing the ability to counterattack an armed attack will put up more hurdles for an enemy to launch an offensive against Japan.

The delay in considering the possession of such a capability may be due to a lack of a sense of crisis in the government.

Formulating a new policy on missile interdiction with an enemy base attack capability in mind has been an issue since previous Prime Minister Shinzo Abe’s administration.

Prime Minister Yoshihide Suga should seek the understanding of Komeito, the junior coalition partner that has been taking a cautious stance, and reach a conclusion with the utmost urgency.

  • The paper is a member of The Straits Times media partner Asia News Network, an alliance of 23 news media organisations.

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