Skill Level 1 Performs underwater work as directed from topside supervisor or lead diver. Operates power support equipment, places demolitions, and performs as secondary air systems operator during diving and recompression chamber operations.

Skill Level 2 Performs as lead diver during underwater work. Prepares patching materials and pumps for salvage operations. Prepares explosives for placement. Prepares rigging and lifting devices for salvage of submerged objects. Assists diving supervisor in preparing equipment for diving operations. Performs as primary operator on air systems and underwater support equipment during diving and recompression chamber operations.

Skill Level 3 Performs as senior diver and supervises diving operations. Directs preparation and operation of diving equipment and water craft support platforms. Supervises calculation, training, and use of explosives. Supervises use of underwater hydraulic and electric power equipment and other special underwater tools. Supervises recompression chamber and life support equipment during diving and emergency operations.

Skill Level 4 Performs as a qualified Master Diver for lightweight diving teams. Supervises diving operations for dives deeper than 100 feet salt water. Supervises recompression therapy for diving injuries and coordinates medical support. Prepares detailed plans and reports for complex diving operations. Supervises use, training, and safety during demolitions missions. Assists the team leader during planning, scheduling, and execution of diving missions.

Skill Level 5 Performs as a qualified Master Diver for the control and support diving detachments and responsible for the command and control of assigned lightweight diving teams. Ensures all diving operations are conducted safely. Supervises deep sea diving missions and dives conducted deeper than 100 feet salt water. Formulates demolition plan for operational and training missions. Assists the commander in planning, scheduling, and executing training and operational missions. Provides expertise to staff planners and diving teams. Writes and develops doctrinal, regulatory, training, and safety material related to the accomplishment of diving missions.