Boissevain relates the Cuban response to the crisis. In a speech, Castro does not deny the placement of nuclear weapons, and claims this kind of denial has been heard more from Khrushchev. The impression is one of building missile silos which look like "ground-to-ground" launch sites from the air. The Cuban government is satisfied with the developments from the UN Security Council regarding the issue, as evidenced by the Havana airport being reopened for international flights.