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How much longer can F-15SG remain competitive? Can it serve the next 30 years? If so, how many years can F-35 and its variants remain competitive? 50 years?
I just think if one goes with the F-15SG option then this same problem will return in 15 years. If one goes with the F-35, it may not be delivered for another 10 years, but it'll remain in service for the 30 years after that.
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