Four letters on your boarding pass could change your airport experience. Here's what SSSS means and why some travelers might be selected for extra checks.
That SSSS On Your Boarding Pass Could Mean TSA Will Swab Your Electronics
Slash Gear - 15 Feb 2026 01:45
Four letters on your boarding pass could change your airport experience. Here's what SSSS means and why some travelers might be selected for extra checks.
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