It sounded more as if waffling about possible future results than a description concrete present results. The F-35 has cost $4e11 so far, says a random site on

It sounded more as if waffling about possible future results than a description concrete present results. The F-35 has cost $4e11 so far, says a random site on the web. What are the results of its innovation, the results that definitely and already have occurred and arguably are worth $4e11?