Skill Level 1 Assists in target detection and identification. Places turret in operation. Determines range to target. Assists in preparation of range and sketch cards. Assists in boresight, screen, and zeros main gun. Loads, fires, clears, and applies immediate action on machine guns. Operates tracked and wheeled vehicles over varied terrain and roadways in combat formation and armor marches. Uses and responds to oral commands and visual signals. Maintains orientation in moving vehicle. Positions vehicle in firing position. Secures battle position. Secures, prepares, and stows ammunition aboard tank. Loads, unloads, clears, and performs misfire procedures on main gun. Exercises safety precautions in ammunition handling. Refuels vehicles. Prepares radio equipment for operation. Performs operator maintenance on turret, weapons, controls, and communications equipment. Assists in performance of unit maintenance of turret components. Performs preventative maintenance checks and services on tank chassis and automotive components before, during, and after use. Prepares DA Form 2404 (Equipment Inspection and Maintenance Worksheet) and maintains vehicle equipment folder. Assists in performance of recovery operations. Prepares tank for operations under various weather conditions and for night vision operations. Assists in construction of fortification and barriers, including minefields. Assists breaching and clearing minefields and obstacles.

Skill Level 2 Performs primary duties as gunner and secondary duties as Tank Commander. Also performs duties shown in preceding level of skill and supervises subordinate personnel in performance of these duties. Prepares sketch and range cards. Operates main gun controls and firing controls. Adjusts fire. Fires main gun. Prepares radio equipment for operation and enters net. Operates internal communication equipment. Assists tank commander in training tank crew. Prepares, files, and distributes operations maps, situation maps, and overlays. Reads and interprets maps and aerial photographs. Records information on maps and overlays. Indicates location, strength, tactical deployment, and emplacement of friendly and enemy units. Marks vehicle routes on maps and overlays. Reproduces, distributes, and files operations orders and plans. Inspects tank turret and automotive components for malfunctions. Assists in the performance of unit maintenance of automotive components. Assists in maintaining the gunnery proficiency of subordinate gunners and loaders. Supervises ammunition resupply operations to include request, receipt, storage, inspection, and issue of ammunition within armor units.

Skill Level 3 Performs duties as tank commander. Directs deployment of personnel and tank in combat operations and training exercises. Evaluates terrain and selected routes, areas, and firing positions. Identifies and selects targets. Issues fire commands. Directs fire of tank weapons. Supervises training of tank crew. Conducts battle drills. Requests, observes, and adjusts supporting fire. Responds to direction from platoon leader. Coordinates action of tank with platoon and supporting elements. Plans movement routes. Supervises crew operator maintenance. Coordinates requirements for unit maintenance. Supervises camouflage of equipment. Evaluates work performance of subordinate crewmembers. Ensures collection and proper reporting of intelligence data to unit and responsible staff sections. Supervises operation of support platoon class III/V squads.

Skill Level 4 Performs duties as a tank PSG. Assists in planning, organization, direction, training, supervision, coordination, and reporting activities of tank platoon or staff section. Supervises platoon maintenance activities. Directs distribution of fire and assigns fields of fire. Collects, evaluates, and assists in interpretation and dissemination of combat information. Directs platoon tactical movement. Directs movement to contact, hasty attack, and defense at platoon level. Coordinates platoon resupply operations. Supervises the employment of OPSEC measures. Coordinates the evacuation of casualties.