Arrange the events of the Cuban Missile Crisis in the correct sequence. Soviet leader Nikita Khrushchev denied the existence of missiles in Cuba. Soviet leader Nikita Khrushchev offered to dismantle the missiles in Cuba in exchange for certain promises from the United States. A US reconnaissance plane discovered missiles being installed in Cuba. US president John F. Kennedy promised to not invade Cuba and to dismantle US missiles that were installed in Turkey. US president John F. Kennedy ordered the US Navy to form a barrier around Cuba. US president John F. Kennedy demanded an end of the secret operation.