That certainly could be a possibility at some point, but one could say the same thing about manned tanks, for example. I know there's a lot of focus on unmanned aircraft for the future, but I think a lot of people are missing some significant vulnerabilities they introduce. Specifically, control of the aircraft has to come via some signal which could be hacked or jammed. An attack on the satellite network or the comm network could disable the entire force. Unmanned aircraft offer a lot of possibility, but until there is pretty solid assurance that the supporting C3 network cannot be interdicted I think a man-in-the-loop will remain a requirement. However, given that airframes are lasting longer and longer, I would not be surprised if the follow-on to the F-22 is unmanned 30-40 years from now, or perhaps platforms will go away completely in lieu of long-range autonomous weapons. Or maybe we'll get Iron Man! Now that would be cool, but imagine the service fight over who would get to develop it!
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