Fire Appliances UK 10
Fire Appliances UK 10 : Public Fire and Rescue Services: (8) Operational Support Unit: An Operational Support Unit (OSU) is a multi-role vehicle. The term is interchangeable with other support appliances such as HazMat and chemical support, breathing apparatus tenders, hose layers, damage control tenders or decontamination units. An OSU carries equipment to support normal fire appliances and crews, typically at prolonged or major incidents