in a number of crash investigations, how critical is time here in terms of getting investigators, competent investigators onto the ground dealing with the wreckage, examining the wreckage, collecting it, even, you next examining the victims from this flight because evidence can be gathered from them, how important is the clock here? >> it is extremely important. to be able to get people in there to know what they are doing, i was looking at the video not only for their personal safety, what they are walking through, accident sites with, when i do an accident site, i'm in a white suit, everything you see is hazardous materials whether from sharp objects or whatever it might be, you'll get that in your body and be sick. those people out there doing this now uneducated have personal damage to themselfs is high risk. now the second part of this, too, is the containing of the evidence and the traceability where the aircraft goes, the