The director of the US Missile Defense Agency (MDA), US Navy Vice Admiral James Syring, has said he is greatly concerned about the advancements and demonstrations of ballistic missile technology made by North Korea over the past six months.
"I would not say we are comfortably ahead of the threat. I would say we are addressing the threat that we know today, and the advancements in the last six months have caused great concern to me and others," the MDA chief testified before the US House Armed Service Committee on 7 June.
"It is incumbent upon us to assume that North Korea today can range the United States with an intercontinental ballistic missile [ICBM] carrying a nuclear warhead.
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