Diplomatic Courier 100 Years Banner

A diplomatic courier is a U.S. government official who is trained and credentialed by the Secretary of State to accompany classified materials across international borders. The Diplomatic Security Service has approximately 100 diplomatic couriers who ensure secure delivery of classified and sensitive materials between U.S. consulates and embassies and the State Department.

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None Swifter Than These: 100 Years of the Diplomatic Courier Service

Historical Timeline of U.S. Diplomatic Couriers [201 KB]

A Brief Diplomatic Courier History

Careers in the Diplomatic Courier Service

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Learn more about career opportunities with the Bureau of Diplomatic Security.

U.S. Department of State

The Lessons of 1989: Freedom and Our Future