This book constitutes the thoroughly refereed post-workshop proceedings of the 4th
International Workshop on Modelling and Simulation for Autonomous Systems MESAS 2017 held in
Rome Italy in October 2017. The 33 revised full papers included in the volume were
carefully reviewed and selected from 38 submissions. They are organized in the following
topical sections: M&S of Intelligent Systems - AI R&D and Applications Autonomous Systems in
Context of Future Warfare and Security - Concepts Applications Standards and Legislation
Future Challenges and Opportunities of Advanced M&S Technology.
