The SIMEX Series is the UK’s largest annual international disaster response exercise. It is an operational (live controlled) field exercise designed to establish a learning environment for players to exercise disaster event response plans, policies and procedures. Player participation comprises of; activate, mobilise, respond operationally on scene, report (internally and externally), implement short and medium-term plans, hand-over, demobilise and complete after-action reviews. The Simex Series of exercises have taken place annually since 2012. The exercise comprises a mix of live, simulation and command and control events in order to provide a neutral platform to test both national and international emergency response mechanisms. The overall aims of the exercise comprise of: -. The development of international and national response capacity; - The promotion of coordination of humanitarian assistance, emergency response, research and education; - The evaluation of the disaster management systems presented by the participating organisations