“We have this critical window of up to 72 hours.” A defence expert told Al Jazeera about some of the difficulties in finding a missing US airman shot down over Iran. Iranian offici

“We have this critical window of up to 72 hours.” A defence expert told Al Jazeera about some of the difficulties in finding a missing US airman shot down over Iran. Iranian officials are offering a reward for the servicemember’s capture as search efforts intensify.