The correct answer is an increased resource need for training materials.
When the Army Chief of Staff approves a new military occupational specialty code, it is going to need increased resources for training materials.
When the Army Chief of Staff approves a new military occupational specialty code, it is required to have more instructors and resources that are going to be needed for the new training materials. This military occupational code is used by the Army, the Navy, and the Airforce. These codes serve to identify the functions that military personnel do as part of its activities. For that to happen, the military personnel have to pass training courses to get the qualifications required.