This manual, Army Techniques Publication ATP 4-02.84 MCRP 3-40A.3 NTRP 4-02.23 AFMAN 44-156_IP Multi-Service Tactics, Techniques, and Procedures for Treatment of Biological Warfare Agent Casualties November 2019, provides doctrinal guidance for classification of biological agents (bacterial, viral, or toxin), recognition and treatment of biological warfare agent casualties, and identification technologies. This publication generally remains consistent with the last version of this publication on key topics while adopting updated terminology and concepts as necessary. Army Techniques Publication ATP 4-02.84 MCRP 3-40A.3 NTRP 4-02.23 AFMAN 44-156_IP Multi-Service Tactics, Techniques, and Procedures for Treatment of Biological Warfare Agent Casualties November 2019 describes the classification and description of biological warfare agents associated with military operations; provides procedures for collecting, handling and labeling, shipping, and identifying potential biological warfare agents; describes procedures for medical diagnosis, treatment, and management of biological warfare casualties; and describes medical management and treatment in biological warfare operations. This revision reduces redundancies with principal operations process doctrinal publications and reflects recent changes in guidance, methodology, and terminology. The material in this publication is applicable to the full range of military operations to include major operations and campaigns (including combating terrorism; homeland defense; and chemical, biological, radiological, and nuclear response). It also incorporates changes in the capabilities within each of the Services.