A professional who instructs newly recruited military personnel, in accordance with training schedules and orders. Respnsibilities include:

• Orients recruits in fundamentals of service life, discipline, physical fitness, pride and love of service and country.
• Trains recruits in close order drill.
• Instructs recruits in nomenclature, disassembly, assembly, and functioning of small arms weapons; and assists in weapons marksmanship instruction.
• Instructs recruits in general orders (standing requirements) for sentinels, interior guard duty, personal hygiene, first aid, military posture, and care of clothing and equipment.
• Lectures on military history and tradition, customs of the armed services, military courtesy, and regulations.
• Evaluates recruit performance in all facets of training.
• Assists superior in conduct of parades and reviews; maintains records and prepares reports.
• May instruct personnel in conduct of hand-to-hand combat and bayonet drill.