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Fox News in Cleveland today reported that a number of Southwest Airlines jets have been marked with graffiti on the underbelly of the aircraft.

The article reports:

According to the station, the writings resemble Arabic or Arabic-type symbols.

The etchings seem “to have been done with a chemical process that reveals the text once an auxiliary power unit is turned on and heats up the outside skin of the aircraft,” KNX 1070 is reporting.

The obvious questions is, “How is anyone getting close enough to these airplanes with enough time to do this without being discovered?”

There is a link at the Fox News website which gives further information.

I must admit this does not help my normal reluctance to get on an airplane.