Think of it as Google Glass goes to war — only less nerd and more Marine. Budget cuts and readiness shortfalls have the US military looking at virtual reality as a partial replacement for expensive field exercises. But VR has real limits. So this month, young Marines at the Infantry Officer Course in Quantico tested a technology to get the best of both worlds: augmented reality.
While virtual reality puts the user in a completely computer-generated environment, augmented reality superimposes computer-generated elements — say, a tank, a helicopter, or a building — on the real world. That lets troops go through the actual, physical motions of the skill they’re training for and build muscle memory, without restricting the targets and support units.
Google Glass and football broadcasts already use a limited form of augmented reality, superimposing static elements like a yellow first-down line on the footage of the actual game. Military training requirements are much more complex. Ground combat is a team sport, so different users in different places need to see the same computer-generated component — and the perspective has to change realistically as the users move around. The computer-generated components themselves need to move and interact, for example by blowing up.
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