Which S-position is responsible for security within a cadet structure?

The S-2 position is primarily responsible for security within a cadet structure. This role focuses on the safety and security of personnel and assets, ensuring that all operations are conducted within a secure environment. S-2 personnel typically handle intelligence operations, threat assessments, and the development of security measures to protect the unit from potential risks.

Understanding the responsibilities associated with the other positions can provide additional context. For instance, S-1 often deals with administrative tasks such as personnel management and records, while S-3 is focused on training and operations, overseeing cadet activities and ensuring they align with training objectives. S-4 typically manages logistics, including equipment and supply needs. Thus, the distinct role of S-2 in security is what makes it the correct answer to this question.