(CNN) The US military and the intelligence community are taking an even closer look at North Korea's weapons and military activities, CNN has learned.

Starting in 2017, any development or movement of personnel, weapons and key leadership decisions inside North Korea are being more heavily analyzed for indications of upcoming actions by the regime, two US defense officials told CNN.

Both officials emphasized that North Korea has always been closely watched by US satellites and surveillance aircraft and radars. But now, more intelligence analysts will be scrutinizing the data collected to ensure nothing is missed.

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The move is being made in part because of North Korean leader Kim Jong Un's New Year's statement that he was pursuing the possible launch of an intercontinental ballistic missile

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