Charles Kendall Aviation has joined the A|D|S trade organisation; advancing UK AeroSpace, Defence, and Security industries. A|D|S also encompasses the British Aviation Group (BAG). It is formed from the merger of the Association of Police and Public Security Suppliers (APPSS), the Defence Manufacturers Association (DMA) and the Society of British Aerospace Companies (SBAC). (DMA) and the Society of British Aerospace Companies (SBAC).