The Information systems technician (IT) rating corresponds to the new Navy Occupational Specialty (NOS) code B460 while the information systems technician submarines (ITS) rating corresponds to NOS code C260.

[1] Information systems technician is a U.S. Navy and Coast Guard specific job, also known as an enlisted rating (often called MOS by other armed services).

This technology includes local and wide area networks, mainframe, mini and microcomputer systems and associated peripheral devices.

They also write programs to handle the collection, manipulation and distribution of data for a wide variety of applications and requirements.

Both radiomen and data processing technicians in the Navy had to undergo general rate training and take a computer-based exam in order to be designated under the new IT rating (the radiomen found themselves bound to a serious learning curve because they had to learn every single aspect from the data processing technician rating) whereas to the data processing technicians, most of them already had a general knowledge in basic computer fundamentals and maintenance.