This United States Army field manual, Army Techniques Publication ATP 3-21.8 Infantry Rifle Platoon and Squad January 2024, addresses the tactical application of techniques associated with the offense and defense for the Infantry rifle platoon and squad. The techniques addressed in ATP 3-21.8 includes the movement and maneuver of units in relation to each other, the terrain, and the enemy. Techniques vary with terrain and other circumstances; they change frequently as the enemy reacts and friendly forces explore new approaches. Applying techniques usually entails acting under time constraints with incomplete information. Techniques always require judgment in application; they are always descriptive, not prescriptive.