This publication, Department of the Army Pamphlet DA PAM 600-25 U.S. Army Noncommissioned Officer Professional Development Guide 11 September 2015, provides guidance on noncommissioned officer professional development programs for each of the Army's military occupational specialties. Applicability. This pamphlet applies to the Active Army, the Army National Guard/Army National Guard of the United States, and the U.S. Army Reserve, unless otherwise stated. During mobilization, the proponent may modify chapters and policies contained in this regulation. Proponent and exception authority. The proponent of this pamphlet is Deputy Chief of Staff, G-1. The proponent has the authority to approve exceptions or waivers to this pamphlet that are consistent with controlling law and regulations. The proponent may delegate this approval authority, in writing, to a division chief within the proponent agency or its direct reporting unit or field operating agency, in the grade of colonel or the civilian equivalent. Activities may request a waiver to this pamphlet by providing justification that includes a full analysis of the expected benefits and must include formal review by the activity's senior legal officer. All waiver requests will be endorsed by the commander or senior leader of the requesting activity and forwarded through their higher headquarters to the policy proponent. Refer to AR 25-30 for specific guidance.