The Naval Criminal Investigative Service is the Navy and Marine Corps civilian law enforcement agency. Show your admiration and support the agency with this cotton baseball cap. Emblazoned with the agency’s unmistakable lettering, it is a declaration of pride in Serving Those Who Protect … Protecting Those Who Serve.

NCIS is a civilian law enforcement agency within the Department of the Navy whose mission focus is to investigate and defeat threats to the U.S. Navy and Marine Corps. Operating from 18 field offices and 191 satellite sites including offices in 41 foreign countries and every Navy aircraft carrier, the Naval Criminal Investigative Service is uniquely responsible for investigating felony crime, preventing terrorism and protecting secrets for the Navy and Marine Corps. Given the organization's worldwide forward presence, NCIS is often the first federal law enforcement agency on the scene when U.S. interests overseas are affected.