What Does ‘NCIS’ Mean?

Michael Yarish/CBS “NCIS.” “NCIS: Los Angeles.” “NCIS: New Orleans.” NCIS: Hawai’i.” “NCIS: Sydney.” “NCIS: Origins.” The four-letter acronym that signifies one of the most successful procedural franchises in history has been an ever-present small screen factor ever since “JAG” quietly launched…