Customs and Border Protection (CBP) is a vital agency of the United States Department of Homeland Security. Its primary mission is to safeguard the nation's borders while facilitating lawful international trade and travel. CBP officers work at ports of entry, ensuring that goods and people entering the U.S. comply with all laws and regulations. In addition to border security, CBP plays a crucial role in preventing illegal immigration and drug trafficking. The agency employs various technologies and strategies to monitor and control the flow of goods and individuals, contributing to national security and economic stability.