One U.S. pilot rescued after F-15 jet shot down over Iran

NBC News has learned that one American pilot was rescued by the US military after an F-15 US fighter jet was shot down over Iran. And that pilot who was rescued is still in fact alive. That is according to a US official.Another American pilot is still though unaccounted for. I want to bring in our senior national security correspondent Courtney Cub who stand by for us. Uh Courtney, this is a fastmoving story here.What are we learning. >> Yeah, so at this point uh we're it's literally developing minuteby min ...