Military takeover had happened before and killed 69 travellers on an Iberia DC-9 over Spain.
http://www.aaib.gov.uk/cms_resources...d%20EC-BJC.pdf
The controllers have brought themselves, the government, 300.000 people who had organized their travel, booked hotels and spent money for their vacations, numberless flight crews stranded, into an indissoluble situation. Nothing will be as it was before.