From New York Times:
U.S. forces were searching on Friday for an American airman who bailed out of a fighter jet over Iran during the first shoot-down of a U.S. warplane by Tehran in five weeks of war, officials said. A second crew member was rescued.Iran’s military was also searching for the missing American from the destroyed plane, an F-15E Strike Eagle, according to three Iranian officials who spoke on the condition of anonymity to discuss military operations. The officials said the Islamic Revolutionary Guards Corps had closed off an area in southwestern Kohgiluyeh and Boyer-Ahmad Province, where they believed the flier went down.