0 i m not going to get into intelligence but the president s intention of sending u.s. military to fight in ukraine against russia has not changed. even if there is a chemical weapons attack, the calculus will not change? i want to be clear what the response would be. we are conveying to all of you what the capabilities are. the steps they have taken in past. the president and our nato partners have not changed their assessment about their plans to send u.s. troops in. president biden let a chemical weapons attack in ukraine go unanswered by the united states. we have not let anything go unanswered to date. we have not let anything go unanswered to date, any steps that president putin has taken to date. what that would look like, i can t give you assessment of that from here. one other question. the u.s. says their assessment is ukraine has planes that they could use, they don t think it would be effective to send more aircraft to ukraine right now. president zelenskyy has pl