Regiment led by Sergeant Major Sofanor Parra. He quickly rose in the ranks to Sergeant Major. The creation of the appointment of command sergeant major was announced in 2009. It is derived from the older rank of sergeant major general. The centre was led in battle by Sergeant Major General Jacob Astley. Gangl was promoted to sergeant major in November 1938. He was promoted in 1993 to the rank of regimental sergeant major. The rank below is sergeant and above sergeant major. The school is named for Command Sergeant Major Walter James Sabalauski. She and Sergeant Major Williams have a continuing relationship. He was promoted in 1946 to company sergeant major. In no case is an RSM supposed to be addressed simply as "Sergeant Major". A new post of Army Sergeant Major was created in 2015. In 2015, the new appointment of Army Sergeant Major was introduced. Platoon sergeants work with the Company Sergeant Major and subordinate section commanders.