against isis in iraq. what do we know about the raid? >> defense secretary carter spoke about it today. he had high praise for master sergeant wheeler. h he ran to the sound of the guns. delta forces unit was meant to back up. they were behind the kurdish commanders and master sergeant wheeler went in to help fight the isis fighters back and killed. he lost his life for it. it's interesting, i pressed carter and said sounds a lot like a combat role to me. as you know, administration said there will be no combat role but falls under the assist pigs there and said this, anderson, there will be more missions like this and u.s. forces will continue to be in harm's way. >> what do we know about master sergeant wheeler? >> he's been in the military for 20 years and joined in 1995 out of high school.