A professional who supervises or assists in supervision of personnel during training and tactical employment of infantry unit. Respnsibilities include:

• Directs personnel in preparing weapons and equipment for movement and combat operations.
• Directs personnel in establishment of unit command post and assists in operation of command post.
• Assists supervisor in formulating plans of employment of unit and in directing and leading infantry unit.
• Assists supervisor in coordinating employment of unit's fire and support weapons.
• Inspects unit weapons and equipment to determine functioning condition of weapons and equipment and initiates action to correct deficiencies.
• Directs personnel in preparation of unit correspondence, reports, schedules, and rosters.
• Directs personnel in distribution of ammunition, food, and other supplies.