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Posted by: bigurn 1 year, 4 months ago
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bigurn1 year, 4 months ago
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Sonar used in active mode will find a target, but will show the target where the sound waves are coming from. The Navy rarely uses active sonar except in actual hunting exercises, and usually from a sonar drone and not a ship. The most common sonar is passive arrayed sonar, which collects sound and doesn't emit it.
The evidence thus far is not conclusive, and is clouded by our own lack of understanding of the behavior of whales. The 9th District essentially pronounced the Navy guilty without any scientific evidence.
Certainly there needs to be more studied here, and certainly we should think about national security. China is quietly building the world's largest sub fleet, and they are a world power.
Good article here: http://www.holology.com/whale.html
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injest1 year, 4 months ago
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Good link big, I noticed it was updated June 2008, strange they left "Chinese sub pops up middle of U.S. Navy exercise" out. Guess it didn't fit their narrative.
"The pervasive diesel sub threat propounded by the Navy seems unlikely.
Although they are stealthy when using electric power underwater they must surface to run very loud diesel generators to recharge their batteries.
This tactical role suits most countries such as Iran or China fine but the threat they pose to American forces would seem to be rather limited, basically the unlikely possibility of a stealthy rogue sub sneaking up on an American carrier battle group patrolling foreign waters.
"unlikely possibility of a stealthy rogue sub sneaking up on an American carrier battle group"
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injest1 year, 4 months ago
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The uninvited guest: Chinese sub pops up in middle of U.S. Navy exercise, leaving military chiefs red-faced
By MATTHEW HICKLEY
Last updated at 00:13 10 November 2007
One Nato figure said the effect was "as big a shock as the Russians launching Sputnik" - a reference to the Soviet Union's first orbiting satellite in 1957 which marked the start of the space age.
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lfergie8121 year, 4 months ago
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PsychoHosebeastComment removed: Spammer, Abusive3 Replies
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injest1 year, 4 months ago
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jimdoze
"Active sonar is worse than useless, when not in attack mode, because its source can be traced"
Uhm surface ships, Carrier Battle groups are not trying to hide.
Submarines on the other hand, are trying to hide, that's why their under the water, that's why making them ultra quiet is the goal.
That why surface ships need to use "Active Sonar" to locate them.
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bigurn1 year, 4 months ago
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I agree that China is an economic threat. Read "China 2030", an astounding read. Their policies suggest that their economic growth will be supported, in part, by their military strength.
And.... THEY DON'T CARE. They will be successful, no matter how long or what they have to do. The Chinese see time in very long viewpoints, because their history is thousands of years long. They are a patient people, and are quite happy to peck away at their goals a little at a time.
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hyperbola1 year, 4 months ago
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Well given that the US has been using its military in support of business imperialism for over a century now, we are hardly in a position to complain. When and if we start closing down our 700 foreign military bases and stop threatening the whole world, then we might have reason to object to China, which so far has committed far fewer crimes than the US.
Blowback
The Costs and Consequences of American Empire
http://www.thirdworldtraveler.com/Blowback_CJoh...
Abolish the CIA!
http://www.tomdispatch.com/post/1984/chalmers_j...
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hyperbola1 year, 4 months ago
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Yes, you are correct. That is why there are so many parts of the US with strong Spanish heritage that outdates the US. None the less, our imperialists really got the bit between their teeth on a world scale with the Spanish-American war. I wonder how many Americans know that in the last 100 years we have invaded Cuba five times or that we had to ask Brazil to help rescue our troops when the Mexicans were throwing them out just before WWI?
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Dionys1 year, 4 months ago
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"The evidence thus far is not conclusive, and is clouded by our own lack of understanding of the behavior of whales. The 9th District essentially pronounced the Navy guilty without any scientific evidence. "
Isn't this what Creationists say about Evolution? The evidence is fairly conclusive. When the Subs use active radar, whales, porposes, dolphins, and other cetaceans tend to beach themselves in the vicinity or act extremely out of character in dangerous ways.
The danger, though, isn't in that (so much) but it is in the fact that BushCo tried to overturn a legal ruling based on the assertion of the idea of a 'unitary executive.' Much like he does with every signing statement where he says he is going to violate the law without regard.
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Gransater1 year, 4 months ago
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You're right. This really is about two separate issues.
1 - Are we harming cetatians, by using assorted technology, both in civilian and defense settings. So far the observed results would seem to indicate harm is being done. Acording to one of the articles, if they can "track a whale for 43 days in the open ocean", on a passive system, why isn't that enough in tracking capability? Put a SOSUS system strategecaly located in the Pacific and Indian oceans, and we ought to be able to do all tracking we need.
2 - The second issue is really about using the label of Homeland Security, to override established legal court procedures. It seems everytime this admin wants something, out comes the treat of Homeland Security. I think Goebels would have been extreemly proud of this admin in how it uses and emphasises the external/internal treat to demolish what our forefathers created, after long and careful thought.
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mrbs1 year, 4 months ago
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why isn't that enough in tracking capability?
because super quiet subs would be able to get around them sounding like a whale.also in noisy water ..say a fleet formation..one could easily sneak up hidden by all the other screws in the water.
external/internal treat to demolish what our forefathers created
what our for fathers created was destroyed long ago.to prove the point you were never taught that the only purpose of the goverment is to deal with internal and external threats.
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Gransater1 year, 4 months ago
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If these subs are as quiet as whales, how do we then diferentiate one from another? Do we go after each and every target untill the acustic solution tells us what it is? Do we destroy cetatians in order to accomplish that? Are we that insecure about ourselves?
As to sneaking up in a fleet formation. Its not a question of sending out an acustic signal, we have enough power for that allready, its a question of reading the return, ie sensitive enough hydrophones to pick up the sound, and, a computer program to filter out "friendly" noise. This is where a lot of attention needs to be focused, not in the increase of noise.
External/internal treats. What our forefathers created is in the PROCESS of being destroyed. There is fortunately plenty still left over. Are you suggesting that because we are and have been gutting it, there is nothing to stop us from interely shredding it?
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mrbs1 year, 4 months ago
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yes it is a question of sending out a single when you have seconds to fire a torpedo.all that filtering takes time and in war a half a second delay one time can make the difference in not only a battle but whos flag is flying over head.personally i like ours instead of the furors or that of china.
as for shredding it already has ,the senate was to be appointed by the governors not a popular vote.in order to vote you had to be a land owner.the changes to these are what will lead to the destruction.
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Gransater1 year, 4 months ago
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All that filtering is done in real time, measured in miliseconds. Before you go of firing weapons you still have to be certain you are shooting at a valid target. Going of halfcocked leads to problems that often can't be repaired. Also, we are talking about peacetime routine here, not in a hostile envinronment during war. There are protocols to follow in peace time, and another vessel is not fired upon in open waters, unless they display hostile intent. That would be the time when seconds counts, not before, unless you are talking about being a bully and ignoring all kinds of treaties and international agreements.
If I read you correctly, since we have been shredding our country's foundation, its rules and moral/legal standards for some time, why bother trying to reverse the trend. Its a done deal anyway. Is that what you are saying? If so, don't you think we ought to try and reverse that trend, or are you willing to create a new country, possibly for the worse?
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mrbs1 year, 4 months ago
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if they dont use them in peace time they wont know how to use the effectively during war time.we are talking about training the military for its only reason of existence and thats to kill people and break things.an active ping gives exact location down to the inch and the shape size direction of travel and so much info you need to target then a passive system.a passive system is a public gps system that gets its info from 3 birds.. gets you to within 10 or 20 feet ..active is the military grade that gets it info from 5 or 6 or more.gets you down to the inch.now these men and women need to train with active so that when we are ALLREADY on a war footing they need to know how to work it blindfolded and one handed and know what to do with the information befor it comes out.
as to the second part it may be time
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injest1 year, 4 months ago
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"The evidence is fairly conclusive. When the Subs use active radar, whales, porposes, dolphins, and other cetaceans tend to beach themselves in the vicinity or act extremely out of character in dangerous ways."
Is there any historical data of whales, porpoises, dolphins beaching themselves before SONAR? (SONAR first used around 1916.)
Whales and others travel in "pods" doing "follow the leader", any data on
Whale traveling to close to shore becoming beached and others follow in becoming stranded as well?
Areas that have a very gentle slope to shore?
Truth is there are many reasons that whales, porpoises, dolphins beach themselves, it been happing for thousands of years.
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quackpot1 year, 4 months ago
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Where is the burden of proof?
The burden of proof should NOT be on the whales.
Rather, the burden of proof should be on the Navy to:
1) CLEARLY demonstrate that EACH of these exercises is ESSENTIAL.
2) That the ESSENTIAL nature of the exercises trumps ALL other considerations.
The Bush Administration wants to reduce this burden of proof to a simple "I siad so, so it is true".
Not good enough.
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bigurn1 year, 4 months ago
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I believe the evidence is that the Navy tries a sonar exercise, then at some point afterward, there is an increase in cetacean beachings. There is no direct evidence that one casues the other, so no, it is not conclusive. There could easily be another cause. If I was the President, I would favor national security issues over cetacean activity until such a connection could be proven. The Chinese will NOT concern themselves with whales, and will use our concern as an "in" to the coastlines.
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hyperbola1 year, 4 months ago
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Ah my, another of the conservative scaredy-cats trying to dupe americans into accepting fascism. The "evil muslims" are not enough to justify continuing massive military corruption?
Conservatives and Their Carnival of Fraud
Politics â;; Did Adam Smith-tied evangelists of "limited government" have any idea they were greasing the skids for 22-year-old arms dealers? How could a kid barely able to buy beer secure a nearly $300 million defense contract? When they finally put their theory into practice, conservatives contrived one of the most wasteful systems ever seen.
http://politics.propeller.com/story/2008/06/30/...
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hyperbola1 year, 4 months ago
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Exposing Pentagon and CIA Corruption
Politics â;; The Special Operations Advisor to the Director of Central Intelligence (DCI), who is also a two-star general, sent extensive government corruption and cover-up information to Henry Waxman, Chairman of the House Oversight and Government Reform committee - in 12 separate cases.
http://politics.propeller.com/story/2008/06/12/...
Challenging the Militarization of U.S. Energy Policy
Politics â;; The use of the US military to "protect" foreign oil supplies costs Americans at least $140 billion per year. This is not generating security, but increasing blowback against America throughout the world. It's well past time to stop garrisoning the global gas station.
http://politics.propeller.com/story/2008/06/12/...
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