>>>>eporter: when calvin coolige caca with his wife, he arrived by a war ship. and when he arrived cuba holiday. but people are going to be lined up waiting for the motorcade through the streets of havana. i want to say coolidge was showered with red roses and the entire floor of the palace was taken care of, so he can stay thtre with his wife. in 1928, prohibition was still enforced in the u.s. and coolidge tried to act like he wasn't interested in the cuban rum here. >> reporter: different times. we were friends back then with cuba. >> reporter: at that time, five years after coolidge came, the president' government was over thrown and in 1959, fidel castro had the revolution in cuba. >> anchor: we were talking about the secret service and what it must be entailed, as you see the vehicles coming into the airport. you wonder how they're going to mix with the cuban secret service. >> anchor: absolutely. there has to be immense coordination. they have to work and had to have planned very, very closely with the cuban police to get that done. that is also a bit of