As of 2016 , the LFB 's frontline operational fleet consists of : The programme of improvements in staffing and equipment undertaken by the LFB since the September 11 attacks to improve London 's resilience and its capability to deal with major emergencies , including the threat of terrorism has included : ten Incident Response Units ; two Scientific Support Units ; four different types of urban search and rescue ( USAR ) vehicles and ten USAR personnel carriers ; three mass decontamination resilience units ; and six equipment carriers known as Operational Support Units
September 11 attacks
September 11 attacks
London Fire Brigade