Rank | Abbreviation | Meaning |
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***** | TRANSPORTATION SECURITY OFFICER (TSO). | An employee of the Transportation Security Administration (TSA) who acts as a screenerat airport checkpoints and other facilities.
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***** | FEDERAL SECURITY DIRECTOR. | A Transportation Security Administration (TSA) official who oversees security operations at an airport.
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***** | TRANSPORTATION SECURITY ADMINISTRATION. | A U.S. government agency created by President George Bush and tasked with keeping the country's transportations systems, especially airlines and airports, safe and secure from the threat of terrorism.
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