After months of contentious of disagreement, the U.S. Air Force is coming around to agreeing with U.S. Navy claims that the F-35 will cost much more to maintain, rather than (as the F-35 promoters assert) less. It was a year ago that the U.S. Navy, after nervously watching as the manufacturing costs of the new F-35C and F-35B carrier aircraft increase, concluded that these aircraft would also be a lot more expensive to maintain. It comes down to this. Currently, it costs the navy, on average, $19,000 an hour to operate its AV-8 vertical takeoff or F-18C fighter aircraft. The...