Special Report: U.S. fighter jet goes down over Iran, search and rescue mission underway

Breaking news on the war with Iran. 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. Let's go to our senior White House correspondent, Gabe Gutierrez. Gabe, what are we learning.>> Uh yes, Joe. a lot of uh this is a fastmoving uh situation ...