This report presents a summary of the work performed within the project Electronic Warfare Duel Simulation funded by the Research and Technology (R & T) program Electronic warfare (EW) between 2012 and 2014. The primary goal of the project has been the development of tools and methodology for electronic warfare assessment. Together with the methodology such tools can, with benefit, be applied to preparation of operations, the development of novel combat styles and tactics, and preparing the Swedish Armed Forces (SAF) for future electronic warfare efforts. The final goal of the project was to demonstrate the developed methodology and tools. This has been achieved through several demonstrations and by participation in trials and exercises with the Swedish Armed Forces. Participation in trials and exercises has been of mutual benefit to the SAF and the project. The armed forces have learned from the project and its novel tools, and the project has become aware of current issues where continued research and technology development is required. One example of support given to the SAF is Operational Evaluation of Hkp10B and Hkp16. Other examples are support provided to war game exercises performed by the electronic warfare battalion and participation in the armed forces headquarter's annual exercise in 2013 and 2014. Throughout the exercises the tools proved very helpful in visualizing sensors' capacities and effects of electronic attacks. The project also contributed to the MACE XVI exercise by providing analysts. The purpose was to build the capacity to reconstruct major exercises such as MACE. Examples of general improvements in the EWSim framework are: ? Development of a plug-in architecture for models created in Simulink. Enabling EWSim to incorporate models created in Simulink allows the use of highly detailed system specific models in larger electronic warfare scenarios. ? Improved ability to edit scheduled events by developing a Gantt tool. ? New models of robots with electro-optical or radar-based homing devices. ? New countermeasure models with library functionality against radar-based threats. ? The transition to 64-bit platforms, improving performance and future-proofing. Upgrading the architecture for communication between simulators to HLA Evolved, facilitating future integration with other simulation systems. ? Introduction of functions for the planning of helicopter flight routes with the risk analysis including electronic warfare. ? Simulation of AESA-antennas. ? Terrain Management that automatically builds a terrain model from databases designed for real-time visualization. ? New wave propagation model handling more complex scenarios involving different terrain properties such as forests, hills and various forms of ground properties, for example sand or water.