- ATP 3-21.8Publication
Infantry Rifle Platoon and Squad
ATP 3-21.8 is the techniques manual for the Infantry rifle platoon and squad across Infantry, Stryker, and armored brigade combat teams. It carries battle drills, movement formations, and the offensive and defensive tasks small units actually execute. The posted file is the January 2024 edition incorporating change 1, dated June 2025.
- TC 3-21.75Publication
The Warrior Ethos and Soldier Combat Skills
TC 3-21.75 is the individual Soldier combat skills manual: movement, cover and concealment, individual defensive positions, and the basic field skills every Soldier is expected to have. It pairs naturally with the common task manual for skill level 1 training. It is one of the older publications still carried as active on APD.