that here are your headlines. tell you what is happening in the news at this hour. one senator demanding answers from the air force about how 17 afghan nationals could go awol from air force base. john cornyn of texas has sent a letter calling it a serious national concern. military experts say cornyn could be right. >> the simple fact that you lost control of them and they were able to move freely with military documents, which would have enabled them to penetrate military facilities to include the pentagon has to be of great concern to anyone who overseas the security process, especially the department of homeland security. >> alisyn: military insists this is more of an immigration concern than national security problem. seven of the 17 are still missing. one gitmo prisoner may be heading back home to the terrorist hot bed country of yemen. the obama administration is toying with sending mohammed back there. the case is on the front burner after a judge ruled that his detention has been unlawful.