What act is used to determine the maximum number limit for active duty field grade officers?

The Defense Officer Personnel Management Act serves as the foundational legal framework for managing officer personnel within the U.S. Armed Forces. This act is responsible for determining various aspects of personnel management, including the maximum number limit for active duty field grade officers. Field grade officers are those holding the rank of major, lieutenant colonel, and colonel in the Army, Air Force, and Marine Corps, and the corresponding ranks in the Navy.

This particular legislation stipulates the policies, procedures, and limitations crucial for maintaining an effective officer corps, ensuring that the number of active duty officers aligns with the strategic needs of the military while facilitating appropriate career progression and promotion opportunities. The details provided in the act help ensure that all branches of the military have a structured method to fill these vital leadership positions without exceeding the set limits, which supports operational effectiveness and management of resources.

The other choices, while related to officer personnel management, do not directly address the specific issue of determining maximum limits for active duty field grade officers.