The threat level in the airline sector is High or Orange. Read more.
The Department of Homeland Security is responsible for securing the nation's transportation systems, checking travelers' documents, securing travelers and their luggage, ensuring an efficient screening process, and managing the Trusted Traveler programs that provide expedited travel for pre-approved, low-risk travelers.
Activities and programs listed below include links from this Web site and from Department of Homeland Security component agency sites.
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