Permanent Staff Instructor (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A permanent staff instructor (PSI) is a warrant officer class 2 (WO2), or senior non-commissioned officer (sergeant, staff sergeant or colour sergeant), of the Regular British Army who has been selected to instruct Territorial Army (reserve) soldiers. Each TA unit has several PSIs attached to it. A normal rifle company in a Regular Army battalion has a single WO2, serving in the role of company sergeant major (CSM). A Territorial Army rifle company normally has two WO2s. One is the CSM, normally a part-time member of the Territorial battalion, and the other is the seconded PSI, the only full-time member of the company.