From Mike Boyd, the well-known airline forecaster, at aviationplanning.com:
"Those F-16s Weren't Scrambled To Help Serve Coffee
"There have been two incidents of fighters scrambled as a result of security incidents on board airliners. Media assumed they were there to 'guide' and 'assist.' Wake up, guys. They were there to put a Sidewinder up the airliner's tailpipe if necessary."