Officer technical specialists in the field of non-nuclear electronics. They help plan, coordinate, direct, and supervise the installation, operation, and maintenance of electronics systems installed in units of the surface force; assist in the operational evaluation of new installations as well as modifications to existing systems; provide operational and technical input to the research and development community for consideration in the design and testing of electronics systems and components; assist in the preparation and distribution of operator and maintenance training courses; provide assistance with operational and maintenance guidance for electronics systems at all levels of command. An Officer of the Regular Navy who is on the retired list.