What provides information on environmental and hazardous material compliance in military operations?

The correct choice emphasizes the importance of a Hazardous Materials Management Plan, which serves as a comprehensive framework for managing hazardous materials in military operations. This plan outlines procedures for the proper handling, storage, and disposal of hazardous substances, ensuring that environmental regulations and safety standards are met.

The Hazardous Materials Management Plan is key to maintaining compliance with environmental laws and regulations, which are crucial in military operations where the use of various materials can pose risks to both personnel and the environment. This plan helps prevent contamination and promotes safe practices, ultimately reducing the ecological footprint of military activities.

In contrast, other options have varying roles in military operations. Technical Orders are more focused on specific operational procedures and equipment, while an Environmental Management System provides a broader structure for continuous improvement in environmental practices but may not detail compliance measures as explicitly as the management plan. Mission Support Plans primarily address the logistical and operational aspects of missions, without centering on hazardous material compliance.