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dengar citer kt cope taufan 2014 cik su dpt tapau si raptor nih... |
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Yang aku nak tau masa Cope Taufan, si raptor ni pakai ke tak radar echo enhancer.... |
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alphawolf posted on 24-6-2014 07:57 AM 
Yang aku nak tau masa Cope Taufan, si raptor ni pakai ke tak radar echo enhancer....
tak...
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Too lazy to look for JSF thread. Still stealth days are numbered...
http://www.fool.com/investing/ge ... illion-stealth.aspx
Did China Just Render America's $1 Trillion Stealth Fighter Program Obsolete?
By Rich Smith | More Articles
October 19, 2014 | Comments (77)
Over-budget, behind schedule, and -- reportedly -- not a particularly good fighter jet, Lockheed Martin's (NYSE: LMT ) ultramodern Joint Strike Fighter may be destined for the scrap heap.
In a 2013 RAND Corporation report, one of the nation's foremost military analysts, blasted the F-35 for being a fighter that "can't turn, can't climb, can't run." Proponents of the F-35 reply that because it's stealthy, it shouldn't have to do any of those things -- lobbing missiles at its foes from over the horizon, and long before they can even see it.
Unfortunately, it turns out that the F-35 may not do the "invisibility" thing very well, either.
Photo: Lockheed Martin
Invisible becomes visible -- voila!
As DefenseNews.com recently revealed, China has a new device that may be able to track Lockheed's F-35 fighter with "passive" radar detection technology. Dubbed the DWL002, China's equipment can apparently detect stealth aircraft at distances of up to 400 kilometers -- and 600 kilometers for larger "stealth" targets -- processing "pulse, frequency agility, pulse duration, tactical air navigation system, distance measuring equipment, jitter/stagger radar, and identification friend or foe" signals emitted by the otherwise stealthy aircraft to determine its location.
To be clear, DWL002 is not an active radar system itself. As International Assessment and Strategy Center senior fellow Richard Fisher explains "Passive systems like these simply listen for any electronic emission," identifying an aircraft without having to ping it with an active radar transmitter. As such, whether or not the F-35 is itself invisible to "radar" may be a moot point.
China can "see" it anyway.
Don't look now, Lockheed Martin. But China is watching you. Photo: Wikimedia Commons
And so can Russia
This problem with the F-35's lack of invisibility, it turns out, is not limited to China. According to DN, both the Czechs and the Ukrainians have similar systems for passive intercept of electronic signals, capable of detecting stealth aircraft.
Similarly, Aviation Week reported earlier this year that certain very high frequency (VHF) radar systems, such as Russia's P-14 Oborona VHF early warning system, and its 3D Nebo SVU active electronically scanned array (AESA), may also be capable of detecting the F-35. (A new Chinese naval radar system, Type 517M VHF, may be similarly effective against the F-35.)
And of course, there is the Balkan War incident to keep in mind. On March 27, 1999, Serbian anti-aircraft forces used a 1960s vintage P-18 VHF acquisition radar system (working in conjunction with an SA-3 SAM system for proximity targeting) to detect and down a F-117 stealth fighter jet.
What this all means for Lockheed Martin
Now, experts differ on how effective these various aircraft detection systems will be against the F-35. For one thing, while passive detection systems can tell an opponent that there's an F-35 "out there," it still takes an active detection system to guide a missile to shoot it down. But if the critics are right, it could still undermine the aircraft's reputation for invisibility, and pose a significant threat to Lockheed Martin's business.
It's been 13 years now since Lockheed Martin won the contract to build what was then known as the "joint strike fighter," beating out Boeing (NYSE: BA ) for that honor. Since then, Lockheed stock has risen an astonishing five times in value, from $35.29 (adjusted for dividends and stock splits) on Oct. 29, 2001, to more than $176 per share today. While many factors contributed to this outperformance, Lockheed's winning the F-35 franchise has certainly contributed mightily to the stock's success.
After all, analysts estimate that over the program's estimate 60-year lifespan, the F-35 will bring Lockheed Martin as much as $1.1 trillion worth of high-margin revenues -- or more. At the 11.2% profit margin that Lockheed Martin earns at its Aeronautics division (thanks to S&P Capital IQ for the data), that works out to about $112 billion in profits the company could earn from this single product -- twice the market capitalization of the whole company.
But if the F-35 comes up short in the "invisibility" department, that franchise could be in jeopardy.
The upshot for investors
The thing about technology is that it's always changing. What was cutting edge tech in 2001 could be obsolete by 2021. If that happens, and if the F-35 is ultimately not built in the quantities originally anticipated (as was the case with Lockheed Martin's similarly high-tech F-22 Raptor fighter jet, you'll recall), then Lockheed Martin stock could be worth less than investors are counting on. |
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Imagine : F-22 Raptors For Export
So, who wants the F-22 Raptor ?
By Robert Farley May 08, 2015
What if the U.S. Congress had never passed the Obey Amendment, and export of the F-22 Raptor had not been banned ?
In 1997, the United States government determined that the Raptor, America’s most advanced air superiority fighter, could not be exported to any foreign government, even those of close allies. The unstated reason for this ban was suspicion that Israel would, if it gained access to the F-22, transfer technology associated with the aircraft to Russia or China. The United States cannot, as a political matter of course, single out Israel for a ban on the sale of advanced technology, and so the F-22 export ban covered all potential buyers.
On the upside, this left the United States as the sole operator of what is probably the world’s most effective air superiority aircraft. On the downside, it forced U.S. allies (not to mention Lockheed Martin) to rely heavily on the success of the F-35 Joint Strike Fighter, as well as legacy platforms.
Today, the F-22 might fly in the air forces of Japan, South Korea, Singapore, and Australia. Japan only slowly gave up its aspirations for the aircraft; while the production line for the F-22 still operated, Japan seemed to hold out some hope that the United States would come to its senses. If Japan had acquired the Raptor, the United States almost certainly would have also sold it to Seoul, if only to avoid a serious diplomatic incident. Australia would likely have become interested as well, and Singapore has proven a reliable customer for the most advanced U.S. systems.
The Raptor is extremely expensive, of course, and has suffered from a variety of problems, but the F-35 program has experienced a litany of difficulties that seem to challenge the core rationale of the aircraft. And to be sure, the United States and its partners would have had to sort through thorny issues of technology transfer and joint production. Technology transfer is part of the appeal of the F-35, even for second order customers such as Japan, South Korea, and Australia. In the case of Japan in particular, the F-22 might have been a hard sell to the Japanese military-industrial complex without some significant tech transfer. Of course, the United States appears willing to engage in such transfer through export of the F-35, so it’s unclear what Japan will have trouble getting its hands on anyway.
What effect would the Raptor have had on regional stability ? We can safely dismiss concerns that the Raptor would have produced some sort of arms race. China has embarked on the development of two different varieties of stealth fighter, as well as increasing its legacy capabilities. Japanese and South Korean F-22s are unlikely to have nudged the PLAAF’s dial at all. And at the very least, potential customers of the Raptor would likely have received their planes earlier than the anticipated arrival of the F-35. For the U.S., foreign orders might have kept the production line open long enough to hedge further against problems with the F-35.
We can overstate the impact of foreign-owned Raptors; Australia and Japan might still have taken an interest in the F-35B, as the F-22 could not conceivably have flown from the decks of their small carriers. And the prospective impact of Japanese Raptors on Chinese behavior is hard to assess. But without an export ban, the United States would likely benefit from several allies flying an aircraft clearly superior to anything the PLAAF can field. That’s no small thing.
Sources : http://thediplomat.com/2015/05/imagine-f-22-raptors-for-export/
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Post time 17-6-2014 07:05 PM
