NBC News has learned from two US officials that a search and rescue effort is underway after an American fighter jet went down inside Iran's territory earlier today. It's not clear how or why that jet went down. Comes as an Iranian news agency also reported about that jet and that an American pilot might still be alive.Two US officials uh do confirm that two uh two seedar F-15 went down over Iran uh earlier today. It is unclear what the fate of that crew is so far, but there is an active search and rescue e ...