refugees from getting to the airport, the numbers here are down. there will be a day maybe two before the military effort will have to focus on its own withdrawal. amid detailed threats from isis-k who sources tell cnn have the capacity and plans to commit and you trocities against despe afghan crowds. such fears are now behind those. on the plane, relief. this u.s. citizen with his family of six, he was able to make it through the taliban blocks. nobody want to leave their home easily. but there are a lot of challenges around. reporter: landing in doha, a muted joy. now they are safe, but on a long journey into the unknown. sam kiley, cnn, kabul international airport. as we heard some afghans are going to extraordinary lengths just to get into the kabul airport. one woman and her two children