👉 "MSL" is a term used in the context of the United States Military Service Ladder System. It refers to the ladder system that provides different grades and levels of military service for individuals who have completed their basic training, served in the military, or are seeking to obtain a higher rank. The ladder system is designed to provide an equal opportunity for all individuals, regardless of their background or prior experience. The term "MSL" can also refer to the Military Service Ladder System itself,