this story. the military losing contact with an experimental hypersonic aircraft. it could this thing is so fast, it could jet from new york to los angeles in minutes, so how did they lose it? trace gallagher is here with more. well, i guess that s how. it s so fast, they couldn t keep up. reporter: right. you know, the falcon ii is supposed to be able to hit any target with precision, megyn, in the any place on the planet in less than one hour. for instance, it can fly from california to iran in, like, 30 minutes. bottom line is, it doesn t fly very well, so that s not going to happen. take a look at the animation. it s suppose today ride into suborbital space aboard a rocket, and then when it gets there, the tip of the rocket kind of unpeels like a banana, and the falcon disengages and streaks across the sky at 13,000 miles per hour. that s mach 20. this time it failed and fell out of the sky and into the sea.