once again ratchets up its rhetoric against the united states. nbc's moll hunter has the latest on the long range nuclear missiles on what the regime calls, quote, a christmas gift. >> the reclusive strongman kim jong-un meeting with top military officials as the u.s. braces for the christmas gift threat promised by north korea. u.s. officials tracking north korea's actions hour by hour waiting for a test of a long range missile capable of reach can u.s. >> today we have very high levels of readiness and the models for the u.s. forces increases tonight. >> saying that test is imminent. >> commercial satellite photos are showing sbrochimprovements past associated with ballistic missiles including a temporary structure that could accommodate a launcher arm. >> talks have faultered and kim jong-un mounted a white house,