US President John F. Kennedy speaks during a conference in Tampa, Florida.

US President John F. Kennedy in Tampa, Florida, United States.Spectators line the street. Motorcycle police escort. Glimpse from back of President. Kennedy in open car. Decoration lights on the street. President Kennedy speaks into a microphone during a conference. His speech is carried live on television. People seated in the conference hall listen to him. Cameramen record as Kennedy speaks. The President's VC-137C Aircraft (Air Force One, with the President on board) taxis out for takeoff.