this is fun. >> kroft: 25 minutes into the flight, jeanette mcmahon recognized her husband's voice fromhe back of the plane. >> colonel mike mcmahon: you guys heading to farah first? >> yeah. >> mike mcmahon: okay. >> jeanette mcmahon: that's mike. >> kroft: i mean, he seems to be saying... >> jeanette mcmahon: "just double checking again." >> kroft: yeah-- "it doesn't look familiar." ten minutes before the crash, the pilots were flying down the wide bamian valley, discussing what kind of music they wanted to pipe into their headsets. >> english: philip glass or something suitably new agey. >> hammer: no, we got to have butt rock, that's the only way to go-- quiet riot, twisted sister. >> kroft: jeanette mcmahon, an army aviator, could only shake her head. >> mcmahon: when are they going to start paying attention to where they're going? >> kroft: if the crew had just continued in the valley for a while longer, they could have easily crossed over to farah at a comfortable altitude. but for some inexplicable reason, the pilot turned to the left, towards one of the tallest mountain ranges