Back خدمة التحقيق بجرائم البحرية Arabic Serviciu d'Investigación Criminal Naval AST Naval Criminal Investigative Service Breton Námořní kriminální vyšetřovací služba Czech Naval Criminal Investigative Service Danish Naval Criminal Investigative Service German Naval Criminal Investigative Service English Servicio de Investigación Criminal Naval Spanish Mereväe Kriminaaluurimisteenistus Estonian Naval Criminal Investigative Service Basque
NCIS Official seal since 2012
The United States Naval Criminal Investigative Service (NCIS) is the primary law enforcement agency of the United States Department of the Navy (DON). It investigates activities concerning crimes against or by United States Navy and U.S. Marine Corps personnel. It also is tasked with national security, counter-intelligence, and counter-terrorism cases. NCIS is the successor organization to the former Naval Investigative Service (NIS).