young americans in combat. >> you can't escape it at all, and clearly, a major gun fire operation that was going on. in terms of signing off on this mission, jim, walk us through a little bit of how high the authority went. >> well sh, it is interesting, because yesterday an announcement quickly from the white house saying that the president, himself, he did not sign off on this igs many, although he was kept aware and include manage the presidential daily brief, and the briefing that he gets every morning with the latest intelligence and he did not sign off on this mission, but it was defense secretary ashton carter who is going to be briefing here at the pentagon in a few minutes who signed off on this. that is the protocol for a mission like this, because it falls under that train, and vise and assist mission. it is not something new, something outside of that mission where the president might have to pipe-in, but it does show to echo rick's point, how quickly the advise and assist missions can become something very differently, and