N Korea launch increases focus on risky US shoot-down option

Published 31.08.2017 00:50

North Korea's firing of a ballistic missile over Japan could increase pressure on Washington to consider shooting down future test launches, although there is no guarantee of success and U.S. officials are wary of a dangerous escalation with Pyongyang.

More attention is likely to focus on the prospects for intercepting a missile in flight after North Korea on Tuesday conducted one of its boldest missile tests in years, one government official said.

Such a decision would not be taken lightly given tensions over North Korea's nuclear and missile programs.

While President Donald Trump has repeatedly vowed that "all options are on the table", there has been no sign of any quick policy shift in Washington toward direct U.S. military action.

Pyongyang's launch of an intermediate-range Hwasong-12 missile over Japan's northern Hokkaido island however underscored how President Trump's tough rhetoric, pursuit of sanctions and occasional shows of military force around the Korean peninsula have done little to deter North Korea's leader.

"Kim Jong-Un has chosen to thumb his nose at the Americans and Japanese by conducting this test," said David Shear, former U.S. Assistant Secretary of Defense for East Asia.

U.S. Defense Secretary Jim Mattis has already pledged that the military would shoot down any missile it deemed a danger to U.S. or allied territory, which the missile that flew over Japan was not.

What is unclear is whether Washington would be prepared to use its multi-layered missile defense systems to intercept a missile like the one that overflew Japan but never directly threatened its territory.

Doing so would essentially be a U.S. show of force rather than an act of self-defense.

"I would think that in government deliberations that would likely be one of the options out on the table," Shear said.

Some analysts say there is a danger that North Korea would see it as an act of war and retaliate militarily with potentially dangerous consequences for South Korea and Japan.

China, North Korea's neighbor and main trading partner, would also likely oppose such a direct U.S. military response.

Experts say there is no guarantee that U.S. missile defense systems, including Aegis ballistic missile defense ships in the region and Terminal High Altitude Area Defense (THAAD) systems based in Guam and South Korea, would hit their target, despite recent successful tests.

A failed attempt would be an embarrassment to the United States and could embolden North Korea, which this year has already conducted two tests of an intercontinental ballistic missile believed capable of hitting the U.S. mainland. The United States has spent $40 billion over 18 years on research and development into missile defense systems but they have never been put into operation under wartime conditions.

Pentagon Chief Mattis this month expressed confidence the U.S. military could intercept a missile fired by North Korea if it was headed to Guam, after North Korea said it was developing a plan to launch four intermediate range missiles to land near the U.S. territory.

If North Korea fired at the United States, the situation could quickly escalate to war, Mattis said.

Targeting of a North Korean missile in flight that did not endanger the United States or its allies could also raise legal questions. U.N. Security Council resolutions that ban Pyongyang's ballistic missile programs do not explicitly authorize retaliatory actions.

Japan also faces questions over the legality of shooting down missiles in its airspace but not aimed at Japan, due its infamous Article 9 of the constitution. Under legislation passed in 2015, however, Tokyo can exercise a limited right of collective self-defense, or militarily aiding an ally under attack, if it judges the threat to Japan as "existential".

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