SSN 21 and SSN 688 Class Electronic Warfare Support (ES) Equipment Maintenance Technician

SSN 21 and SSN 688 electronic warfare support maintenance technicians maintain AN/BLQ-10(V), Type 8 and Type 18 periscope systems, ADF/SUBIS, and the TI-06 Integrated Submarine Imaging System. They conduct inspections, preventive maintenance, fault isolation, component replacement, and operational testing on submarine electronic and imaging equipment.