U.S. Citizenship and Immigration Services (USCIS) is a component of the United States Department of Homeland Security (DHS) that administers the country's naturalization and immigration system. USCIS is responsible for processing immigrant visa petitions, naturalization petitions, asylum applications, and other immigration-related applications. USCIS also conducts interviews, adjudicates applications, and issues employment authorization documents (EADs) and travel documents.