ATP 3-01.8 governs combined arms defense techniques for training, planning, preparing, and implementing defenses against air threats.
View ATP 3-01.8 on armypubs.army.mil
It covers air and missile threats, adversarial aerial threat employment, warnings, self-defense, passive and active air defense techniques, and unit security and intelligence planning. It requires units to implement active and passive measures within their organic capabilities and addresses countering unmanned air threats and asset protection.
Aerial threats may be any combination of large or small, manned or UAS, missile type platforms and rockets, artillery and mortars (RAM) used to carry out attacks or support attack functions.
Combined arms forces must anticipate and plan to defend against multiple aerial attacks while operating in and around contested areas on the battlefield.
All units must reduce their vulnerability to air action by implementing passive and active air defense measures.
A high probability of attack must be assumed in planning convoy operations. (paragraph 3-10)
Units must develop tactics, techniques and procedures to counter this threat in their respective areas of operation. (paragraph 3-31)