There are many departments that work together to protect the safety and security of the United States at home and abroad. In addition to the Department of Homeland Security, you can choose from a veritable alphabet soup of career opportunities if your primary goal is to protect your country. These include the Central Intelligence Agency (CIA), Federal Bureau of Investigation (FBI), Bureau of Alcohol, Tobacco, and Firearms (ATF), Drug Enforcement Agency (DEA), and U.S. Department of Justice (DOJ).