USCBP stands for the United States Customs and Border Protection:

USCBP: A federal law enforcement agency under the Department of Homeland Security.
Mission: To safeguard America’s borders, ensuring the security and economic prosperity of the nation. This includes preventing the illegal entry of goods and people, facilitating lawful international trade and travel, and enforcing U.S. regulations.
USCBP plays a critical role in national security, trade enforcement, and immigration control.

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