Mass Communication Specialist (abbreviated as MC) is a United States Navy public affairs type rating.

Most Navy MCs are recruited into the rating; attend boot camp at Recruit Training Command, Great Lakes, Illinois; and report to the Defense Information School at Ft. Meade, Maryland for the six-month Mass Communication Foundations course.

[4] The work performed by MCs fall into five job titles: Content developers create graphics, audio, photographic, video, and written content for distribution in various communication channels; create interactive visualizations, animations, and linear and non-linear multimedia products; design publications; create sketches and storyboards; and write speeches, information stories, and data stories.

Production managers prepare, process, and print materials; collect, analyze, and report media project feedback information; conduct user and customer interviews; upload digital content to accessioning points; design and manage digital archives and file management systems; and maintain in media network equipment and systems.

They arrange, coordinate and define the employment of Navy communicators for deployments, operations and exercises; manage operational documentation missions; collect and analyze quantitative data; report quantitative data analysis findings; and release communication products and information.

User experience directors practice human-centered design to develop creative communication solutions and align communication strategies and tactics to leadership's intent; conduct research; develop audience profiles; manage inclusive design programs and the usability of communication delivery systems and channels; and develop unit content strategies.

[6] The Navy announced in NAVADMIN 174/17 a change to the NEC construct and a realignment of the enlisted rating communities and career fields.