What reference material covers basic operations and equipment?

The reference material that covers basic operations and equipment is TM 4-48.09. This technical manual provides essential information and guidelines necessary for understanding the operations and the specific equipment used. It serves as a comprehensive resource that outlines procedures, safety measures, and technical details, making it crucial for students and personnel involved in air assault operations. By studying this manual, individuals can develop a solid foundation in the principles and practices that govern the effective and safe use of equipment in operational settings.

The other choices do not directly address basic operations and equipment in the same manner, focusing instead on different aspects or operational guidelines that may not be as foundational or specific to equipment.