A professional who positions, fires, and maintains antitank and assault weapons, such as recoilless rifle, portable flame thrower, and multishot portable flame weapon. Respnsibilities include:

• Prepares weapons and equipment for movement.
• Designates location for and positions weapons.
• Computes firing data, loads and aims weapons preparatory to firing.
• Fires antitank and assault weapons at fixed and moving targets.
• Assists supervisor in leading antitank or assault units to assault positions during combat or training operations, furnishing supporting fire for other infantry units.
• Assists supervisor in coordinating unit's fire and movement with that of unit supported, adjacent units, and other support units.
• Constructs and camouflages positions and ground obstacles for antitank and assault squads.
• Employs, arms, disarms, and removes mines used for local security and antitank defense.
• Protects weapons and equipment against chemical warfare agents and decontaminates weapons and equipment when exposed to chemical attack.
• Performs minor repairs to weapons and equipment.
• May direct fire of other infantry crew-served weapons.