The same goes for 9,11,

Northwoods: In the early 1960s, US military leaders drafted plans to create public support for a war against Cuba to wipe out Fidel Castro from power. Plans included terrorist acts in US cities, killing innocent people and US soldiers, expelling an American ship, killing Cuban immigrants, sinking Cuban refugee boats and hijacking aircraft. All projects were approved by Joint Chiefs of Personnel, but were reportedly rejected by the political leadership and then kept secret for nearly 40-50 years. The same goes for 9,11, it will take 40 years