As I said the last time this topic came up, “This is not a repost from 1957”. We may actually be looking at the last generation of manned fighters, if this update from Strategy Page is true:
On February 4th, the U.S. Navy X-47B UCAV (unmanned combat air vehicle) made its first flight. It was three years ago that the navy rolled out its first combat UAV; the 15 ton X-47B. This pilotless aircraft has a wingspan of 20 meters/62 feet (whose outer 5 meter/15 foot portions fold up to save space on the carrier). It carries a two ton payload and will be able to stay in the air for twelve hours. The U.S. is far ahead of other nations in UCAV development, and this is energizing activity in Russia, Europe and China to develop similar aircraft.
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All of these aircraft are stealthy and can operate completely on their own (including landing and takeoff, under software control). The UCAVs would be used for dangerous missions, like destroying enemy air defenses, and reconnaissance. Even air force commanders are eager to turn over SEAD (Suppression of Enemy Air Defenses) missions to UAVs. SEAD is the most dangerous mission for combat pilots. But until quite recently, all these projects had either been cancelled, or were headed in that direction.
Now, the U.S. Department of Defense wants the new UAV combat aircraft in service by the end of the decade, some twenty years ahead of a schedule that was planned in the 1990s. The F-35 is expected to cease production in 2034, more than a decade after the first combat UAVs, that can match F-35 performance, enters service.
Unable to buy new aircraft designs (because they are too expensive, or simply take too long to get into service), and facing the prospect of unmanned aircraft (UAVs) displacing more and more manned ones, the American military is spending a growing chunk of its budgets on upgrading and refurbishing the combat aircraft they already have. This was not a deliberate, long term plan, but simply a reaction to shortages of new aircraft. A lot of the new electronics and weapons involved in these upgrades can also equip UAV designs still in development, so such efforts are a double win.
More and more, it looks like the new 36 ton F-22 and 27 ton F-35 are the end of the road for manned fighter-bombers. Not just because the F-22 and F-35 cost so much to develop, but because so much new tech has arrived on the scene that it simply makes more military, and economic, sense to go with unmanned aircraft. Meanwhile, the existing F-15s, F-16s, F-18s, A-10s and all American heavy bombers are being equipped with new targeting pods and combat Internet connections, along with new radars and all sorts of electronics. Older aircraft are having worn out structural components rebuilt or replaced. This buys time until the unmanned aircraft are ready. F-35s will also fill the gap, which may be a very small one.
Usual caveats apply of course, and you could do worse than reading the comment thread on that original post for some of the caveats spelled out.