Washington: US Defense Secretary Jim Mattis said on Friday that analysis continued on North Korea's most recent missile test, but he did not believe its intercontinental ballistic missile (ICBM) posed an imminent threat to the United States.
"It has not yet shown to be a capable threat against us right now ... we're still doing the forensics analysis," Mattis told reporters at the Pentagon.
In November, North Korea said it had successfully tested a new type of ICBM that could reach all of the US mainland and South Korea and US-based experts said data from the November 29 test appeared to support that.
Mattis did not elaborate on what was lacking in the test to show it was not a capable threat.
He said himself immediately after the test that the missile had gone higher than any previous North Korean launch and that it was part of a research and development effort "to continue building ballistic missiles that can threaten everywhere in the world, basically."
US-based experts, some of whom have been sceptical about past North Korean claims, said in November that data and photos from the test appeared to confirm North Korea had a missile of sufficient power to deliver a nuclear warhead anywhere in America.
But experts and US officials have said questions remain about whether it has a re-entry vehicle capable of protecting a nuclear warhead as it speeds toward its target and about the accuracy of its guidance systems.