Federal Air Marshal Service
The Federal Air Marshal Service (FAMS) is a United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 federal law enforcement agency under the supervision of the Transportation Security Administration
Transportation Security Administration
The Transportation Security Administration is an agency of the U.S. Department of Homeland Security that exercises authority over the safety and security of the traveling public in the United States....

 (TSA) of the United States Department of Homeland Security
United States Department of Homeland Security
The United States Department of Homeland Security is a cabinet department of the United States federal government, created in response to the September 11 attacks, and with the primary responsibilities of protecting the territory of the United States and protectorates from and responding to...

 (DHS). The Air Marshal service is meant to promote confidence in civil aviation by effectively deploying Federal Air Marshals (FAMs) to detect, deter, and defeat hostile acts targeting the United States.

Because of the nature of their occupation, Federal Air Marshals (FAMs) travel often.