This United States Army manual, Training Circular TC 3-21.98 Jungle Handbook August 2026, provides Soldiers with essential information for operating in tropical jungle environments. It covers topics ranging from jungle terrain and climate to survival techniques, health considerations, and potential enemy tactics. This handbook aims to enhance unit effectiveness and individual survivability when deployed to these
challenging and complex operational environments.

The principal audience for TC 3-21.98 is all members operating within a jungle environment. Commanders and staffs of Army headquarters serving as joint task force or multinational headquarters should also refer to applicable joint or multinational doctrine concerning the range of military operations and joint or multinational forces. Trainers and educators throughout the Army will also use this publication.