hours for you. the route that malaysia airlines flight 17 flew is so popular when going from europe to asia, it has a name. it s called airway l-980. it s a key pathway to europe and asia, but by late thursday the airspace over eastern ukraine was empty. for more on this investigation i want to bring in greg feith, a former ntsb investigator and former airline captain haeger and safety expert john cox and nbc s long-time aviation correspondent, bob haeger. hello to all of you. greg, i want to start with you. is there any what are we going to learn from this crash site at this point? i ve just had a former senior official say to me the investigation on the ground might be pointless at this point. absolutely, chuck. i m very surprised at the fact that the ntsb would send anybody over there under these circumstances.