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Only about seven of the U.S. Air Force's 21 B-2 bombers are ready to go at any time, and now, a combination of robots, sprayers and quality control are trying to double the readiness rate. But for a long time, the B-2 has been known as a "Hanger Queen" (an aircraft that spends too much time in the hanger for maintenance or repairs).
Two years ago, the U.S. Air Force introduced the use of robots to reduce the maintenance efforts required to keep their B-2 bombers flying. The B-2 uses a stealth (anti-radar) system that depends a lot on a smooth outer skin. That, in turn, requires that the usual access panels and such on the B-2 must be covered with tape and special paste to make it all smooth. And after every flight, a lot of this tape and paste has to be touched up, either because of the result of flying, or because access panels had to be opened.
All this takes at lot of time, being one of the main reasons the B-2 required 25 man hours of maintenance for each hour in the air. Since most B-2 missions have been 30 or more hours each, well, do the math. The readiness rate of the B-2 fleet (of 21 aircraft) has been about 35 percent, which is less than half the rate of most other aircraft. This means, that whenever there is a crises that requires the attention of B-2s, there are not many of these bombers ready to fly.
The main base for B-2s is in Missouri, and over a thousand maintenance personnel are assigned to take care of 21 aircraft there. A team of four robots were installed, to liquid coating to B-2s, thus cutting maintenance hours in half. But there were quality control problems with the liquid coating, often forcing maintenance crews to go back to tape and paste. Now the quality control problems are thought to be solved, and, if that is the case, the readiness rate of B-2s may go up to 70 percent. Maybe, if everything works out.
B-2s still requires a special, climate controlled hangars. There are some portable B-2 hangers, that can be flown to distant bases, thus keeping the bombers in the air less, and reducing the amount of maintenance needed. B-2 quality hangers have been built at Guam, in the Pacific, and Diego Garcia in the Indian ocean Still, the cost to operate the B-2 is over three times that of the B-52. If stealth is not an issue (not much enemy opposition), than it's a lot cheaper to send a B-52.
This is exactly what the air force does most of the time. But in a war with a nation possessing modern (or even semi-modern) air defenses, the B-2s can be very valuable. Costing over two billion dollars each to buy, and very expensive to operate, the B-2s provide that extra edge. No other nation has anything like the B-2s, although many are working on ways to defeat it's stealth and knock them down. Still, when equipped with over a hundred of the new SDB (250 pound, GPS guided Small Diameter Bomb), the B-2 would be a formidable one-plane air force.
The B-2s are actually not used much now, partly because few targets justify risking aircraft that cost $3 billion apiece in today's dollars, and partly because their flights by some estimates cost $135,000 per hour - almost double that of any other military airplane.
$135,000 per hour of flight? That's a steep price tag, especially considering the flight was round-trip and involved two stealth bombers. Per the military's statement:
This mission by two B-2 Spirit bombers assigned to 509th Bomb Wing ... involved flying more than 6,500 miles to the Korean Peninsula, dropping inert munitions on the Jik Do Range, and returning to the continental U.S. in a single, continuous mission.
The military didn't say how many hours the B-2s were in the air. But even if the B-2s were traveling at top speed the entire way (628 mph), which they most certainly were not, it would mean 10.3 hours each way -- a tally that doesn't even include the amount of time it took to drop the munitions on the South Korean island. Adding it all up, that's 20.6 hours of flight time for two B-2 bombers -- for an estimated cost of $5.5 million.
originally posted by: Zaphod58
a reply to: Retikx
And they're still human controlled. But that's not the point. The point is that it's a lot better, from every aspect, to have one or two planes to hit multiple targets, than it is to have a huge gaggle to hit fewer targets. It's better from a maintenance standpoint, it's better from a C3 standpoint, it's better from a ground control standpoint.... The less you have that can go wrong, the better. Adding more aircraft to the mix is NOT the better way to go.
originally posted by: 727Sky
Poor spelling, incorrect use of punctuation, random paragraphs and irellevent nonsence.
I just hope if we ever do get into a real shooting war with a worthy opponent our military doctrine with regards to airpower is sufficient to keep our pilots and air crewmen from dying for their country
originally posted by: TheCrowMan
originally posted by: 727Sky
Poor spelling, incorrect use of punctuation, random paragraphs and irellevent nonsence.
I just hope if we ever do get into a real shooting war with a worthy opponent our military doctrine with regards to airpower is sufficient to keep our pilots and air crewmen from dying for their country
Like the B2? Like the F22? Like the F35 will be?
So im lost in your post, are you saying it is, or is not a viable weapon?
originally posted by: Domo1
a reply to: 727Sky
I was a little lost with your post too. I don't think any offense was intended by the other poster.
originally posted by: Zaphod58
Simple answer: Yes.