selected for additional security screening before boarding.
What Does SSSS Mean?
SSSS is a designation used in the U.S. aviation security system to indicate that a passenger has been selected for additional screening. The extra screening is intended as an additional security measure and does not, by itself, mean that the traveler has committed a crime or is suspected of wrongdoing.
For travelers who have never encountered the code before, seeing it printed on a boarding pass can be surprising. The additional checks may take longer than the standard
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