Health Service Support in a Nuclear, Biological, and Chemical Environment: Tactics, Techniques, and Procedures is a comprehensive military field manual designed to guide medical personnel and commanders in providing effective health service support during operations involving nuclear, biological, and chemical (NBC) threats. This authoritative text details the unique challenges posed by NBC environments, offering in-depth coverage of the principles, organization, and execution of medical support under such hazardous conditions. The manual systematically addresses the full spectrum of health service support, from casualty evacuation and decontamination to triage, treatment, and preventive medicine. It outlines the roles and responsibilities of medical units at every echelon, emphasizing the importance of rapid response, adaptability, and coordination with other combat and support elements. Detailed procedures are provided for the protection of medical personnel and patients, including the use of protective equipment, establishment of contamination control areas, and implementation of medical countermeasures. Special attention is given to the physiological and psychological effects of NBC agents, the diagnosis and management of NBC-related injuries and illnesses, and the logistical considerations for sustaining medical operations in contaminated environments. The manual also includes guidance on training, planning, and the integration of health service support into overall mission planning. Richly illustrated and meticulously organized, Health Service Support in a Nuclear, Biological, and Chemical Environment serves as an essential reference for military medical professionals, planners, and leaders. It equips readers with the knowledge and tools necessary to preserve combat effectiveness and save lives in some of the most challenging operational scenarios imaginable.