Most people associate GPS technology with avid hikers, military operations, or—perhaps more commonly—as a built-in phone app for directions to that place you can never quite remember how to get to. What most people don’t realize is that GPS technology is being used to save lives around the world, from monitoring the positions of airplanes and trains to prevent crashes, to locating kidnapped children or lost hikers. The following are a few ways GPS tracking technology saves lives around the world.