mistake that could lead to something with far more serious consequences. let me bring in retired rear admiral john keirby. pacific command said hey wait a minute, this isn't real. what do we know and why would they do it? >> well, you're right, pacific command did come out very quickly to back down this faulgs false alarm. and that makes sense because pacific command has the detection and sensor assets throughout the region to know definitively if a ballistic missile has been fired and where it is going. the hawaii emergency management agency doesn't have those detections and sensor capabilities. so while it wouldn't in a real situation wouldn't be unlike le them to put out such an alarm, they would be getting information from the pacific command before they did that in a real scenario. so it is not surprising to me at all that pacific command jumped