Abstract
The next generation of displays for soldiers may include augmented reality capabilities. One such display, called Mirror in the Sky (MitS), presents survey information in the upper visual field. Using a virtual reality simulation of a military reconnaissance scenario, we compared a MitS prototype to a familiar electronic 2D north-up map. Participants (24 soldiers) were told to follow a prescribed route, detect potential threats, and reroute around them. They also performed a secondary task as a measure of mental workload. At the end of the route, the soldiers were asked to recall the locations of threats and route changes. Participants made better reroute decisions with the north-up map than with MitS, although no differences were observed for threat detection or mental workload. They also scored higher on recall with the north-up map than with MitS. Practitioner Summary: An augmented reality navigation aid was compared to an electronic north-up map in a military reconnaissance scenario, in a virtual reality simulation. Participants made better route decisions and had better recall with the north-up map, but no mental workload differences were found between displays.
Published Version
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