What is st?

Some articles on :

32 (Scottish) Signal Regiment - Locations and Operations
... Commander 2 Signal Brigade is to deliver specialist Information Communication Services at readiness in order to enable effective command and control of Expeditionary, Other Government Department (OGD) and UK Operations The Regiment provides UK Operations Communications Support to the Commanders of the 2nd Division Regional Brigades 15 (North East) Brigade 38 (Irish) Brigade 42 (North West) Brigade 51st (Scottish) Brigade With secure Command and Control communications facilities to execute their regional Integrated Communications Planning (ICP) responsibilities in Scotland ... The main capabilities for this are provided by Deployable Communications Detachments for Key Points and the Brigade Main HQs using the REEBOK LAN system, Mobile Signal Detachments, Brigade Tactical HQs using BOWMAN and Liaison Officers and Airwave Gateway Vehicles to extend or replace the Airwave system sites. ...