Final answer:
Doctrine refers to a set of rules and principles that guide the Air Force's actions, control and direct military operations, and ensure compliance with international laws and treaties. It also serves as a tool for training and educating Air Force personnel. Hence the correct answer is option 2
Step-by-step explanation:
The subject of this question is Social Studies and the grade level is High School.
Doctrine refers to a set of rules, guidelines, and principles that guide the actions and decision-making of a particular organization, in this case, the Air Force. In the context of the Air Force, doctrine serves multiple purposes. It is a way to control and direct military operations, ensuring that personnel follow established procedures and protocols. It also functions as a tool for training and educating Air Force personnel, providing them with a common framework and understanding of how to carry out their duties.
Moreover, doctrine helps ensure compliance with international laws and treaties, guiding the Air Force's actions and operations within legal and ethical boundaries.
Hence the correct answer is option 2