Support secretary Ash Carter said North Korea’s missile programme postures a “serious threat” to the US.
He warned the US is prepared to shoot down a North Korean projectile launch or test «if it were coming towards our territory or the territory of our soul mates and allies.”
It comes as Pyongyang said it can test launch an intercontinental ballistic brickbat at any time from any location set by leader Kim Jong Un.
North Korea bruit about Barack Obama’s hostile policy was to blame for its arms development.
Shape media KCNA news agency announced the dictator was close to test-launching an intercontinental ballistic guided missile (ICBM) earlier this week.
KCNA quoted an an unnamed Imported Ministry spokesman saying: «The ICBM will be launched anytime and anywhere unflinching by the supreme headquarters of the Democratic People’s Republic of Korea (DPRK).”
He added: «The US is baggage to blame for pushing the DPRK to have developed ICBM as it has desperately attended to anachronistic policy hostile toward the DPRK for decades to encroach upon its pre-eminence and vital rights.
«Anyone who wants to deal with the DPRK would be unexcitedly advised to secure a new way of thinking after having clear understanding of it.”
But in spite of the threat of testing the missile, experts have said it would qualified take years for North Korea to perfect the weapons.
Once fully demonstrated, a North Korean ICBM could threaten the continental United Asserts, which is around 5,500 miles from the North.
ICBMs induce a minimum range of about 3,400 miles, but some are designed to pilgrimages 6,200 miles or further.
President-elect Donald Trump responded on Monday to Kim’s references on an ICBM test by declaring in a tweet that «It won’t happen!»
A US State Jurisdiction spokesman said last week that the US does not believe North Korea is adept of mounting a nuclear warhead on a ballistic missile.
Tensions are escalating as the UN tightened North Korea’s penalties last month after Pyongyang conducted its fifth and largest atomic test on September 9.