This paper summarizes the training value of two types of desk top virtual environment (VE) technologies. The advantages and disadvantages of a model-based and a digital image-based approach are described. The engine room spaces of a naval destroyer were modeled using each of these approaches to train Navy engineering students to conduct material readiness inspections. The impact of the technologies on dynamics, and the learning of systems knowledge and spatial orientation are discussed. This paper provides the practitioner with some issues and guidance to aid in deciding how to employ virtual environment technology for training.
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