you so much. there were four transmitters on the plane that should have sent signals. plus, the single deadliest incident on the tallest mountain. why these guides risk their lives. coming up. all stations come over to mission a for a final go. this is for real this time. step seven point two one two. verify and lock. command is locked. five seconds. three, two, one. standing by for capture. the most innovative software on the planet... dragon is captured.