>> we're trying to make this not a military operation only but a civilian and military operation because really, the thing that's changing is going to be the level of security in the area but the governance so all the planning has been led by the civilian side. >> about 15,000 troops are expected to take part in operation mushtarak that means together to start within a week. >> federal investigators return to the scene of a fatal mid-air collision in colorado today. the aftermath caught on camera. the video, we need to warn you now, tough to watch this. investigators want to talk to other pilots to see if they heard any communication between the two small planes. three people on board both were killed. and with no black boxes, investigators must rely on this video, photos and witnesses' testimony to figure out what went wrong. >> oh, boy.