Unclassified 911 playbook from 13 March 1962. DOD on how to fool Americans into war
https://nsarchive2.gwu.edu//news/20010430/northwoods.pdf
NORTHWOODS
A report on the above subject is submitted for consideration by the Joint Chiefs of Staff.
Justification for US Military Intervention in Cuba
Page 10:
"It is possible to create an incident which will demonstrate convincingly that a cuban aircraft has attacked and shot down a chartered civil airliner"
"An aircraft at Eglin AFB would be painted and numbered as an exact duplicate for a civil registered aircraft belonging to a CIA proprietary organization in the Miami area. At a designated time the duplicate would be substituted for the actual civil aircraft and would be loaded with the selected passengerse, all boarded under carefully prepared aliases. The actual registered aircraft would be converted to a drone."
Found on jimstone.is