GPS in wartime is a problem as it can be spoofed or jammed. This is how some think Iran managed to capture an RQ-170 drone. The military is very motivated to f

GPS in wartime is a problem as it can be spoofed or jammed. This is how some think Iran managed to capture an RQ-170 drone. The military is very motivated to find ways to be less reliant on GPS and other easy to spoof technologies.