Smith noted that Cuba 's government underwent `` quite a few shake-ups after the revolution first came in '' in 1959 , but said Monday 's move `` is the biggest shake-up that I 've seen in a very long time ... for the last 30 or 40 years . '' Several longtime advisors to Fidel Castro are replaced . Foreign ministers and cabinet members step aside . Analyst says it 's the biggest shake - up in 30 or 40 years .
Several longtime advisors to Fidel Castro are replaced . Foreign ministers and cabinet members step aside . Analyst says it 's the biggest shake - up in 30 or 40 years .