to see when we get the first signal that it's switched from evacuation to withdrawal. >> nick paton walsh, thank you. chaotic scenes outside the airport have made it virtually impossible for afghans to make it onto grounds, even with the proper special immigrant paperwork. what they need is a connection inside the wire, someone in the airport to help. one group of veterans and volunteers is working around the clock to make those connections. it's being called a digital dunkirk. that's a nod to the world war ii evacuation efforts that commissioned civilian boats to save allied troops stuck in france. cnn's kylie atwood joins us now. tell us more about these digital dunkirk efforts and how it's working. >> yeah. so this is an ad hoc coalition outside of the u.s. government effort to try and get these afghans to safety. and most importantly to try and get them inside the gates at the airport so that they can get out of the country. now, one family that we spoke