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Scientists ready the X-37B unmanned orbital vehicle. The U.S. Air Force is using the space plane for unknown purposes.  (Source: EPA)

The X-37B sat in a silo earlier today.  (Source: EPA)

As evening set, the super-high tech craft launched in about as stealthy fashion is possible when using an Atlas V rocket.  (Source: EPA)

A rendering shows what the X-37B might look like in orbit.  (Source: EPA)
Is the X-37B the future of space flight? Maybe, but the Air Force sure isn't saying

The X-37B's curious tale began in 1999 when NASA contracted Boeing's Phantom Works (Calif.) division to build an unmanned space airplane.  The project was transferred to the Defense Advanced Research Projects Agency in September, 2004.  The NASA X-37A was redesigned in 2006 by a secret U.S. Air Force research unit, completing the current design, dubbed the X-37B Orbital Test Vehicle (OTV).

The craft was recently completed and has a 4.5 meter wingspan with a length of 8.9 meters.  It comes equipped with kerosene and hydrogen peroxide fuel tanks, an experimental bay, a large navigation "brain", and likely other more secret components.

Thursday night the OTV hurled into space in what appeared to be a clean launch from the Cape Canaveral Air Force Station in Florida.  The X-37B OTV was carried on an Atlas V rocket, a relatively inexpensive rocket that has an extremely reliable track record.

What's it doing in space?  Your guess is as good as anyone else's.  And guesses tend to range from "deploying spy satellites" to "maintaining spy satellites".

Speaking to reporters, Gary Payton, Air Force deputy under secretary for space systems, confessed that there was indeed a secretive launch.  He comments, "Well, you can't hide a space launch, so at some point extra security doesn't do you any good."

The OTV will remain in orbit for nine months and then will make a landing at Vandenberg Air Force Base, Calif.  So is it doing something with spy satellites?  Payton would only guardedly remark, "On this flight the main thing we want to emphasize is the vehicle itself, not really, what's going on in the on-orbit phase because the vehicle itself is the piece of news here."

Payton didn't exact make any bold predictions of success either.  He comments, "In all honesty, we don't know when it's coming back for sure.  It depends on the progress we make with the on-orbit experiments and the on-orbit demonstrations."

The X-37B project is the culmination of undisclosed hundreds millions in defense spending.  Will all that investment be worth it?  Only a select handful of Air Force and government officials will be privy to the knowledge to make that assessment.

If there's one thing that's one clear about the X-37B project, it's that it aims to take a different approach to space exploration and utilization.  And it makes it clear that the U.S. isn't ready to relinquish its domination of space quite yet.


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Is this a part of PGS?
By justjc on 4/23/2010 6:53:08 PM , Rating: 2
I just read that the US is working on making Prompt Global Strike weapons, making it possible to hit any target within 60 minutes. It shouldn't be to hard to outfit a X-37B like craft to make it happen.

Would also fit nicely with the weapon being introduced in 2014 and ready to be deployed in 2017 along with the X-51 hypersonic cruise missile.




RE: Is this a part of PGS?
By zmatt on 4/24/2010 4:57:51 PM , Rating: 2
If this is just a proof of concept model, notice the X designator, then I wouldn't be surprised if they rolled out a production unit that was capable of just this. One of the stated goals of the air force is to rebuild and maintain the nuclear force, since the military is actually shrinking in manpower, an unmanned quick launch vehicle like this that could launch a cruise missile to anywhere would be invaluable.

We already have lasers on a 747 testbed, and a small air defense version in the Army. fitting directed energy weapons to fighters, and craft like this is the next logical step. The chemical laser on the ABL is poorly suited to small craft, so electrical lasers that are more advanced than our current ones would be needed.


RE: Is this a part of PGS?
By Skilty on 4/26/2010 8:48:26 AM , Rating: 2
What is to stop the government leaving 50 of these up there moving them near enemy satellites and blow the fuel tank. No beam weapons just a simple explosion to knock out enemy birds. Probably does not contravene any existing treaties as it wouldn't be classed as a weapons platform.

Of course you could put a small nuke or conventional payload in there and leave it up there until you need it and then launch it at a target.

I am based in the UK, we are currently working on an extra powerful slingshot and we may think about an effective weapons platform for the Type 45 destroyers cos PAAMS sure don't work, we love Aegis, all is forgiven :-)
The potential uses for small to medium size payloads are huge and in some cases worrying.


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