In which document can one find the details for NCO duties and responsibilities?

The correct choice regarding the document that outlines NCO duties and responsibilities is FM 7-22. This field manual, titled "Physical Readiness Training," provides comprehensive guidance on the responsibilities of Non-Commissioned Officers (NCOs) in relation to the physical training and readiness of soldiers. It emphasizes the importance of the NCO's role in ensuring that soldiers are physically fit and ready to accomplish their missions, which is a key aspect of their overall duties and responsibilities within the Army.

Understanding the expectations set forth in FM 7-22 is crucial for NCOs, as it helps them to effectively lead and manage their soldiers in physical readiness training initiatives. This manual serves not only as a guide for physical training but also highlights the leadership responsibilities of NCOs in maintaining and improving soldiers' fitness levels and readiness.

While other documents such as AR 600-20, DA PAM 600-25, and FM 3-21.8 cover important policies and aspects of military life, they do not focus specifically on the detailed duties and responsibilities of NCOs in the same capacity as FM 7-22. AR 600-20 deals more with Army Command Policy, DA PAM 600-25 provides guidance on NCO professional