Non-Commissioned Officer Professional Development Ribbon
A Noncommissioned Officer Professional Development Ribbon is an award presented by the United States Army and Air Force to recognize those noncommissioned officers who have completed a prescribed leadership course at an NCO training school. The Navy, Marine Corps, and Coast Guard have no equivalent to the Noncommissioned Officer Development Ribbon. Army. The NCO Professional Development Ribbon (established in 1981) is issued by the U.S. Army for completion of any prescribed non-commissioned officer development courses. The first award of the NCO Professional Development Ribbon is issued for completion of the Basic Leader Course  (BLC [former titles of BLC include: the "Warrior Leader Course", "Primary NCO Course", "Combat Army Course", and the "Primary Leadership Development Course"]). When a soldier completes additional schooling such as the Advanced Leaders Course (ALC), Senior Leaders Course (SLC), and Master Leader Course (MLC), an award numeral is worn on the ribbon to denote subsequent satisfactory completion of those courses (2, 3, & 4 respectively). Currently, the numeral "5" is authorized for graduation from the United States Army Sergeant Major Academy's 'Sergeants Major Course'. Graduates of the Battle Staff NCO Course, and the legacy First Sergeant Course, do not receive  a numeral device for graduation from those courses. The highest numeral authorized for the NCO Professional Development Ribbon is "6" for graduates of the Nominative Leaders Course (NLC). NLC is a two-week strategic leader development course designed to prepare nominative Command Sergeants Major (CSM) and Sergeants Major (SGM) for their duties as CSMs for commanders of 1-2 star Army commands, and Staff Section SGMs at HQDA level of responsibilities. The Army NCO Professional Development Ribbon is a green ribbon wide. It has a center strip of of Flag Blue, bordered by stripes of yellow. Equidistant from the edge  and center stripes on each side are stripes of yellow. The green and yellow of the ribbon represent the chevrons worn by noncommissioned officers. The central stripe of blue represents support of the United States. Air Force. The NCO Professional Military Education Graduate Ribbon was established by the Secretary of the Air Force on 28 August 1962. The ribbon is awarded to noncommissioned officers of the United States Air Force for completion of prescribed noncommissioned officer professional development programs. Approved programs are the NCO Preparatory Course, Airman Leadership School, NCO Leadership School, NCO Academy, and Senior NCO Academy. Select professional  development programs of other services may also be counted for award of the ribbon. Eligible courses are the Army Sergeants Major Academy, Navy Senior Enlisted Academy, and Coast Guard Chief Petty Officer Academy. The ribbon is awarded to individuals who complete the course in-residence and may not be awarded to those who only complete the correspondence course. Additional awards of the NCO Professional Military Education Graduate Ribbon are denoted by oak leaf clusters.