Kennedy orders six Crusader jets to fly a low level reconnaissance mission.
Organization of American States (OAS) unanimously approves of the quarantine against Cuba.
By the end of the day U.S. ships had taken up position along the quarantine line, 800 miles from Cuba.
Late in the evening, the President sends Robert Kennedy to the Soviet embassy to talk with Ambassador Dobrynin.
Kennedy receives a letter from Khrushchev in which Khrushchev comments that there is a, "serious threat to peace a