CHAMP missiles can be fired from B-52 bombers from 1126km away to disable Kim Jong-un’s nukes as they sit on the launch pad, The Sun reported.
The hi-tech weapons have been hailed as an effective nonlethal way of averting mass casualties if Mr Kim pushes the button.
They are taking centre stage in White House discussions over the US response to the growing threat from the rogue regime as it steps up its firepower, according to NBC News.
North Korea has developed rockets capable of delivering nuclear warheads anywhere on the US mainland â€”sparking fears that war on the Korean peninsula is imminent.
CHAMPs, which stands for Counter-electronics High Power Microwave Advanced Missile Project, were first developed by Boeing and the US air force in 2009 and were ready for operational tests three years later.