[American Society of Civil Engineers 10th Biennial International Conference on Engineering, Construction, and Operations in Challenging Environments and Second NASA/ARO/ASCE Workshop on Granular Materials in Lunar and Martian Exploration - League City/Houston, Texas, United States (March 5-8, 2006)] Earth & Space 2006 - Mixed Reality — Enhanced Operator Interface for Teleoperation Systems in Unstructured Environment