You are the president of the United States Of America and a country has launched multiple nuclear balistic missiles towards the US, you are in a meeting room with the US Chairman Joint Chiefs Of Staff, Secretary Of Defense, A goverment advisor, and a General. You have a nuclear war confirmation button in front of you on the table, what to do you do?

Chairman Joint Chiefs Of Staff: Sir/Ma`am, we have got inteligence about a country launching nuclear missiles towards our country, estimated detonation time is 10 minutes, what do we do?