never publicly acknowledged, you never see them in action, you never see their faces. this is an extraordinary video. we are seeing them. we are seeing how they operate. one of the final shots on the video, you see a couple of the troops in the helicopter, doors open, their feet over the side. they were ready until the very last minute for anything to possibly go wrong. chris? >> obviously every need for caution there, barbara. you see them backing away still facing the hostile there's, the taliban. and to be clear, we don't believe you can see their faces, the special ops guys, in this video, either, which is why we didn't further blur it. barbara starr, thank you very much. let's bring in jim schuitto. he's in washington. and senior international correspondent matthew chance live at landstuhl medical center in germany. matth matthew, let me start with you here. obviously a big concern here is the health and welfare of the