Operation Northwoods was a plan back in 1962 by the DOD that was to attack a U.S. Naval ship and various other American military and civilian targets then blame it on Cuban military then use it as a pretext to invade Cuba in combat. This was the pretext that some of the 9/11 truth activists believed that lead to the September 11th terrorist attacks. Operation Northwoods was the first known false flag enemy attack operation to where attacks would be conducted on American soil then the government would declare the enemy to be Cuba which never attacked America but would be framed as the sole attackers leading to war being approved by the U.S. Congress.
According to Operation Northwoods official declassified documents, some of the operational plans were to conduct real or simulated attacks against various American military and civilian targets then Cuba Communist terror campaigns would begin to get the U.S. House of Representatives and the Senate to support a plan to attack Cuba to oust the communist leader Fidel Castro.
Operation Northwoods was a 1962 plan by the US Department of Defense to cause acts of simulated or real terrorism and violence on US soil or against US interests, blamed on Cuba, in order to generate U.S. public support for military action against the Cuban government of Fidel Castro.