solution. so i thought it was quite remarkable that he was speaking of this as an opportunity because what they were hoping to do was deconflict, as barbara says, what the russians are doing right now with the help of the iranians and clearly on the ground in iraq is trying to ground the u.s. from doing any type of military activity, and the russians have created a new reality on the ground. >> this is the opposite of harnessing russian power, the opposite of deconflicting. colonel mansour, we were all scratching our heads trying to figure out the last time u.s. and russian planes were dropping bombs in the same country at the same time. it's been generations, i think, at least right now. and the rules of engagement that barbara talked about have to be incredibly complicated, incredibly tense and incredibly delicate. >> well, absolutely. i think the last time russian planes and u.s. planes were in the same airspace was in the korean war, and they were shooting at each other. so we don't want that to happen. i think the rules of engagement