Skill Level 1 Troubleshoots SPLL and the launcher loader module (LLM) electrical, electronic, mechanical assemblies, modules, and interconnecting cables to isolate malfunctions. Replaces or repairs electrical, hydraulic, and mechanical assemblies, modules, and cables determined to be faulty. Uses breakout boxes and built in test equipment (BITE) for fault isolation and verification or adjustment of electrical assemblies and modules of LLM. Repairs and replaces chassis mounted components on units under test. Operates system cable tester. Performs unit maintenance on system peculiar test, training, and ancillary equipment. Assist automatic test equipment (ATE) operator in fault isolating LLM electronic modules and assemblies to component level at organizational level. Prepares and maintains equipment logs, equipment modification and utilization records, exchange logs, and calibration data cards. Completes maintenance and supply forms and records.

Skill Level 2 Performs duties shown in preceding level of skill. Supervises lower rank soldiers and provides technical guidance to soldiers in the accomplishment of their duties. Provides technical assistance to supported units.

Skill Level 3 Supervises subordinate MLRS repairers engaged in support maintenance activities. Supervises inspection and maintenance teams. Performs as maintenance quality assurance and quality control (QA/QC) inspector and implements quality control measures. Performs initial, work-in-process, final, and on-site technical and quality control inspections. Monitors activities associated with maintenance of MLRS for potential problem areas and recommends improved procedures, if required. Identifies faulty work practices and demonstrates proper maintenance techniques. Organizes and conducts OTJ programs.

Skill Level 4 Perform duties shown in preceding levels of skill. Supervises and coordinates support maintenance on TOW, DRAGON, BFVS, TFTS, and MLRS missile systems.