Military Aircraft Hit Mach 20 Before Ocean Crash, DARPA Says
space.com
space.com
Edit: Looks like no third flight yet. Found this followup: http://www.darpa.mil/threeColumn.aspx?pageid=2147485247
Also found this paragraph to be interesting:
“The initial shockwave disturbances experienced during second flight, from which the vehicle was able to recover and continue controlled flight, exceeded by more than 100 times what the vehicle was designed to withstand,” said DARPA Acting Director, Kaigham J. Gabriel.
And, dated: April 20, 2012
Its a standard way both hyper sonic and reentry vehicles manage heat. Basically the skin boils off creating a pressure wave that the vehicle flights behind.
Wikipedia has a good description of it. http://en.wikipedia.org/wiki/Atmospheric_reentry#Ablative
8 x 907 x 20 000 = 145M$ per payload.
I don't have the exact numbers for the cost of an ICMB with a nuclear warhead but I'm pretty sure that it is less than that. We also didn't factor in the cost of maintaining an orbital launcher, possibly manning that thing and other costs which being in space incur.
Maybe with newer launch methods bringing goods to space will be cheaper, but I don't think we'll see this kind of tech unless costs decrease to around 2000$/kg to space (1/10th of what it is now).
The U.S. Navy had mostly moved away from Naval artillery due to the rise of guided missiles with their much longer range, but they are investigating railgun systems which may give advantages compared to missiles.
They're getting really close. Mach 20 is about an hour and a half to the opposite point on Earth.
Its cool tech, yes, but really...
It is possible to be a wealthy nation that doesn't have military dominance (Switzerland, etc). The key is to be overall small enough that you can consume a lot per capita but still fly under the radar of the big boys. A country as big as the U.S. doesn't really have that choice.
If you are saying that the US needs military dominance because we need to protect our own domestic production from invasion, that's something else. I still disagree but not as forcefully as I would to the other characterization.
(If an invader tried to invade America for the purpose of seizing our wealth, much of it would evaporate instantly. They can capture factories but more and more of it is IP that a potential invader could just stay home and pirate instead.)
So it is reasonable to argue that Coke has achieved its position on the back of The American Military, but not reasonable to say it achieved it because of US military action.
An awful lot of US influence is down to pure dollar spend, which mostly comes through military related channels.
Is the US' international reach down to its military, or its money?
I would argue that had the last 50 years seen a global spend by the US Forestry Commission equal to that of the US military-industrial complex, then we would see Occupy! marches burning effigies of Yogi Bear.
it's more reasonable to assume that Coca-Cola made most of its money by creating local factories in developing nations which struggled with getting clean water.
This pushed the use of Coca Cola as a health conscious choice. On top of that, the labor was near free by western standards, the syrup price lock is so low, and the shipping is handled by the natives.
Coca-Cola has also been accused of massive civil liberties violations due to their opportunistic nature in South America.
This is usually too fringe for me to post, but http://killercoke.org/
However, I don't think any of that would have been possible without the american military, though to say that Coke is so successful because of military action is rather absurd. Yes, it's probably true, but Coke's actions are so far removed from the military action (that happened decades, if not a century, ago) that it's a little dramatic and silly.
You can't ignore the interrelation of the two. One of the things that made the U.S. rich was our being a superpower allowed us to remodel the world in our image after World War II, making it a market for American goods, and one that operated on American terms. Another was the period of relative peace that we have had over the last 60 years, peace that has been the result of American military hegemony and peace that has allowed international trade and markets to flourish.
If the U.S. had not spent the last 50 years being the dominant military power, do you think it would still be the dominant economy? Money by itself doesn't protect you, it only helps you buy guns. Guns, in turn, let you back every market transaction with the implicit threat of force, and fend of other people who have guns who might find it more convenient to simply take things by force instead of engage in market transactions.
I think it's down to the military, to be honest (Note: I'm completely biased by my own affiliation with the Navy).
However Coca-Cola may have got their start, they are now a multinational and can't be claimed to have any great allegiance to U.S. interests.
The military is what gives the U.S. the clout to work diplomacy and lead policy amongst the nations. I think the best example of this is the South China Sea which is looking increasingly resource-rich. China has expressed great interest in this region (right up to the borders of the Philippines, Vietnam, Malaysia, etc.), and is currently on a crash program to greatly expand the PLAN (People's Liberation Army Navy).
This is one of the driving reasons that President Obama and the DoD have enacted a "strategic shift" to the Pacific/Asia area because even in areas where the U.S. doesn't have a direct economic interest, the U.S. has indirect economic interests, in keeping natural resources within the effective economic control of their allies.
China has already heavily clamped down on rare earth production as a tool of economic and international political policy, so they've already demonstrated that they are willing to use monopolies on natural resources to their advantage (I'm not saying this to complain; just calling it how it is).
Money has substantial underpinnings in psychology (which is to say its value fluctuates wildly depending on what people think it's worth). And, sometimes you can't simply buy a country off. China is the example now, but for much of the period you discuss the example was the U.S.S.R. The Marshall Plan was successful in helping Europe recover, but the U.S.S.R. didn't allow its satellite nations to participate, and this isn't even going into the U.S. and Allied military efforts that kept the U.S.S.R. from expanding even farther.
When diplomacy fails the last resort for a nation's interests is the military, and the perception that its services are actually available.
I agree with rayiner on this much; Americans on average are very well off compared to much of the rest of the world. I would go further to say that Americans don't understand that their great advantage was never automatic. Not in the past; not in the future.
Now, given that the U.S. military was off doing what it was doing it would be foolish to claim that the follow-on economic effects weren't also important in U.S. hegemony, but I don't think economic factors played the major role.
It's a more productive role, but it also means that American businesses have to be able to compete on their own merits, rather than being able to rely on exclusive access to markets.
Creating the conditions where businesses are free to thrive is a little different than being responsible for their success, though.
I don't think it's unfair, just morally despicable.
The further away, in relation, a random human is from myself, the less that person's well-being affects me directly. It is, therefore, entirely rational to care less about their well-being than the well-being of humans closer to me.
The morality of that is neither here nor there--and indeed it strikes me as a very corrupt system of morality that rejects one of the most basic of human instincts.
Look, we all want to provide for our loved ones, but to claim that the level of excess we all indulge in is moral is just disgusting. I literally want to vomit at the thought and I'm ashamed to share a citizenship with you—at least I have the grace to admit that I'm a pretty shitty person for not giving back to the world to the extent that I could.
And at least I do SOMETHING (namely, volunteer and give unneeded money to efficient charities) to save the life of someone outside the US, which is more than most people do. I'm pretty sure the view of people suffering in third world countries is economically an entertainment product sold by CNN and christian charities.
Every single person posting in this thread is guilty of consuming far more resources than a majority of global inhabitants. The time and energy to even have this specific debate is mark of privilege. What's the solution? A global return to agrarian subsistence living?
I get where you are coming from, but I think the battle is already lost. The "haves" have always, intentionally or not, screwed over the "have-nots", and while it varies by degrees based on how little or much you "have", it ultimately comes down to the innate selfish nature of creatures living in a world of scarcity.
As for a solution? I don't know, I really don't, and I suspect it won't be addressed until it absolutely needs to (overcrowding?). But I don't think that's a valid excuse to GIVE UP and continue to be a blatantly selfish nation. I think that if everyone gave a significant portion of their paycheck to efficient charities, the world would be a much better place. It doesn't even need to be charity, most people just need a little help to bootstrap themselves: http://www.kiva.org/start
> The "haves" have always, intentionally or not, screwed over the "have-nots", and while it varies by degrees based on how little or much you "have", it ultimately comes down to the innate selfish nature of creatures living in a world of scarcity.
I totally agree, I think this is a natural phenomenon in society (if the world natural means anything). However, we can raise the standard of living for everyone, so even the have nots aren't living in hell on earth, and reduce the distance between someone who is broke and someone worth many billion.
What is despicable is people who think they are entitled to the labor of others for free.
I agree, what's despicable is ignoring the rest of humanity. No, there's no entitlement (whatever that means really, a pejorative term for rights), but I do think you have a moral obligation to help people who need it.
Unfortunately, the US also has many inherent resource advantages (pretty amazing farming, for instance), which much of the rest of the world doesn't have. I really don't see at least the arid parts of Africa competing any time soon on material goods, and they don't have the education or cultural draw to attract production of intellectual goods. So at some point, the world does need to help itself out. It's not just going to magically fix itself without people helping each other.
I guess I should make this clear: I'm not advocating some kind of world socialism thing. I'm pretty sure things like classes are inherent in human societies. But I would like to drastically reduce the difference between the poorest and the richest people, and I do want to make sure that the basic things we take for granted in the US are available everywhere.
To put it plainly, this plane is made for intimidation. If the USA is to support its standard of living on it, then it's not worth supporting.
The vehicle in the story is part of the Air Force's attempt to solve this problem, by delivering the PGS payload via a spaceplane that flies in a flatter suborbital trajectory rather than an ICBM's higher trajectory. This is supposed to make it clear to the people on the other side that whatever has just been launched at them is not a nuke. It's unclear how successful this would be, though, since the spaceplane still has to be launched on a missile (possibly triggering any missile-launch early warning systems the opposition has), and nobody knows if in the heat of a crisis different angles of trajectory would be sufficient to reassure an anxious decisionmaker that they're not witnessing the beginning of a nuclear first strike.
The advantage of the scramjet over a rocket is that you don't have to carry the oxidiser in a tank with you (like a conventional rocket). You get it from the atmosphere. But being inside an atmosphere making thermal management a big challenge, as the article describes.
DARPA was actually live tweeting the 2nd flight.
As "open" as DARPA is they are subject to confidentiality and are only allowed to disclose what the DoD allows them to disclose. I am no conspiracy theorist but compare the shape/light of the aircraft in my video to the artist night time rendition from the OP article. Even if the aircraft in my video is different, I can tell you I have never seen anything anywhere near as fast as the aircraft in my video including F-15's, F-16's, F-18's or the space shuttle when it lands (which breaks the sound barrier at very low altitude).
There is a Air Force Base very near (10-15 miles)in Homestead, FL and a Navy Base in the Keys (over 100 miles), still it not unknown for the Navy to do exercises that far North, but I think a single aircraft at night might be unusual.
Well, no, it's not. It's not a missile, it's not ballistic, and I don't know if the range is truly intercontinental. Not that the Russians and Chinese won't be concerned, but it is a rather different thing (and a much harder engineering problem).
"Prompt Global Strike (PGS) is a United States military effort to develop a system that can deliver a precision conventional weapon strike anywhere in the world within one hour, in a similar manner to a nuclear ICBM"
Maybe this is cold war style thinking on my part but if I were China I would think to myself "yes, United States, please keep building that phenomenally expensive conventional weapon that would be really dangerous against the kind of surface fleet you have but we don't. That's a really... great... strategy you've got there." While publicly protesting against it, of course.
Here is the video: http://www.youtube.com/watch?v=f3VqiPhsnMM&feature=youtu...
Why do I think it is same aircraft? When reading the OP article I immediately identified the artists night time rendering as the same aircraft I recorded in the video (video quality does not do it justice, but in person I can verify it looked identical to the artist rendering). Separately, the aircraft I recorded is by far the fastest thing I have ever seen, not in some UFO conspiracy way, but that I fly aircraft, attend airshows (F-14, F-15, F-16, F-18), saw Space Shuttles land (breaks sound barrier at low altitude) and I can saw I have never seen anything move as fast as the aircraft in my video.
Darpa Maintains Control of Unmaned Aircraft at Mach 20
...for three whole minutes!http://en.wikipedia.org/wiki/DARPA_Grand_Challenge_(2004)
The next year 5 vehicles completed.
http://en.wikipedia.org/wiki/DARPA_Grand_Challenge_(2005)
Also, consider all of the rocket failures in the 1960's and we still made it to the moon by the end of the decade.
that's an incredible feat.
The Prompt Global Strike program seems to have moved on to other options.
This is incredibly fast. Distance New York to Paris : 5851km[1] it would take 14 minutes for this plane to do the distance.
Wouldn't it be much more cost-effective to merely link up with strategic partners in other countries (Germany / Israel; Philippines; etc.) to give us the distribution we need for "conventional" missiles that would hit in the same timeframe?
Of course, if Prompt Global Strike is capable of carrying cargo with it then maybe countries like Russia or China would suspect it can also carry a small nuclear warhead, so it may be that concern doesn't completely go away.