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Although tactile applications have been explored heavily in the past decade, use on the head is rare. Army researchers are exploring the possibility of using a head-mounted tactile display to augment visual displays currently used for navigation. Such a tactile display has the potential to decrease the amount of information the user would otherwise process visually by off-loading the navigation task from the visual to the tactile modality while providing soldiers with a covert method of receiving directional information regarding a navigation or sniper detection task.