JFK arrives by helicopter at Collins Barracks in Cork, with a crowd gathered to welcome him. (Robert Knudsen, JFK Presidential Library)

JFK waves from the open-topped car as the eager crowd tries to push forward. (JFK Presidential Library)

Cork people throng Brian Boru Bridge to see the arrival of JFK. (Robert Knudsen, JFK Presidential Library)

A smiling JFK surveys the sea of faces and US flags in Cork. (JFK Presidential Library)

JFK is greeted by well-wishers in Cork. (JFK Presidential Library)

JFK takes a moment to sign an autograph. (JFK Presidential Library)

JFK, relaxed and smiling, outside City Hall with Lord Mayor Sean Casey, members of the Cork Corporation, and mace bearers. (Robert Knudsen, JFK Presidential Library)