The Ulysses Group says it has real-time access to 15 billion cars worldwide.. They monitor cars through GPS and sensors on equipment such as airbags.. The data may be from car makers and through manufacturers of individual parts.. The Ulysses Group has strong ties to the U.S. military and promotes its capability.. .... A South Carolina-based surveillance firm that has sold services to the U.S. military is promoting its ability to provide real-time location information about 15 billion cars every month. The company, called The Ulysses Group, says it can monitor vehicles in every country in the world, except North...