The Canadian Space Agency [CSA] has departed from the traditional concept of training the way the job is performed and, instead, has developed the novel concept oftraining beyond workplace reality, in order to compensate for the lack of and/or changes to sensory cues experienced in Space.This paper discusses the rationale of using the neuro-physiological effects of VR, such as disorientation and motion, to train Astronauts in an environment which creates the illusion of operating in zero gravity.A comparison ofthe training effectiveness of VR and traditional methods within the existing Shuttle Training Program is presented. Post-mission information examples ofthe benefits of VR Training, especially in combined Robotic Operations and Extra-Vehicular Activity [EVA] during the Hubble Mission [December 1993] and on subsequent missions. A description ofthe technical requirements needed to implement VR Training, and diagrams of the MSS Operations Training Simulator configuration are provided.A demonstration of VR will be available on request.