An Overview of Virtual Reality/Virtual Environments R.J. Seidel, P.R. Chatelier. Playing in the Mud: Turning Virtual Reality into Real Education and Training K.L. Bellman. Virtual Reality Simulator (VRS) for Training Ship Handling Skills L.E. Magee. Virtual Reality for Training: Evaluating Transfer J.W> Regian. Collective training in Virtual Environments: Exploring Performance Requirements for Dismounted Soldier Simulation S.L. Goldberg, B.W. Knerr. Enhancing the Virtual Training Tool: Introducing Artificial Touch and Smell G. Canepa. Surgery 2001 S.B. Jones. Virtual Reality Training Simulator for Long Time Flight P. Hue, et al. Some Effects of Using Virtual Reality Technology: Data and Suggestions C. Regan. Virtual Environment: For Learning or Training?: A Cognitive Approach T. Morineau, et al. Virtual Environment Technology in Training: Results from the Hubble Space Telescope Mission of 1993 R.B. Loftin, et al. Lessons Learned or Lessons Not Yet Learned (But Often Revisited) about the Design, Application, and Management of Learning Technologies R.J. Seidel. Appendix: Individual Papers from Lessons Learned Workshop (9 papers). 3 Additional Articles.