This volume comprises the executive summary of the final report of the study on Control Loops with Human Operators in Space Operations, performed for the European Space Agency (ESA). It summarises the following four volumes: Part I : Human Engineering Analysis, Synthesis and Evaluation Techniques (NLR) Part II : Robotics Operations and Manual Control Experiment (Fokker) Part III: Rendezvous and Docking Operations and Model Analysis of Performance with Human-in-the-loop (NLR) Part IV : Research Requirements for Human-in-the-loop Space Teleoperator Development (NLR)