趣味运动会背景:America's undue worry: China may steal secret...

来源：百度文库 编辑：九乡新闻网 时间：2024/04/25 04:10:06

America's undue worry: China may steal secret from helicopter wreck



Helicopter 1.jpg (25.34 KB)
2011-5-7 14:10
Part of the damaged helicopter is seen lying in the compound


There are growing fears that top-secret stealth technology taken from the helicopter that crashed during the raid on the home of Osama bin Laden could be smuggled into China and cause a diplomatic row.


Military aviation experts are now speculating that the mission that killed Osama bin Laden could owe part of its success to what appears to be a secret stealth helicopter, one of which was damaged and left behind in Pakistan.


Though US forces attempted to destroy the helicopter that was downed inside the compound's courtyard, its tail remained relatively intact on the other side of the wall. As pictures of the wreckage have emerged, aviation experts say the helicopter appears to share characteristics of both a Black Hawk helicopter and a stealth fighter jet.


The US was not known to have a stealth helicopter in its fleet, but if the helicopter used Sunday did indeed have stealth characteristics, it might have helped US forces to approach Mr. bin Laden’s compound in Abbottabad, Pakistan, undetected.


helcopter.jpg (119.31 KB)
2011-5-7 14:10

1.Silver finish makes it harder to detect on radar and by infrared sensors

2.Shape of tailboom has been altered and possibly enlarged to evade radar

3.Pan-like cover or hubcap over the rear rotor head conceals exposed machinery which is more easily picked up on radar

4.Extra blades on tail rotor reduce noise and lessen typical chopper sound

“It really didn’t look like a traditional Black Hawk,” a retired special operations aviator told the Army Times. The helicopter had “those distinctive edges and angles” seen on F-117 stealth fighters.


Despite apparent similarities, stealth helicopters and stealth jets have different design goals. Stealth jets are made for radar invisibility, while stealth helicopters are designed to be quiet. Helicopters already have the ability to fly below radar, and making them invisible to radar is difficult because they have so many moving parts.


US military’s last known stealth-helicopter program, the RAH-66 Comanche, was canceled in 2004 before it saw action in the field. The program spent $6.9 billion to produce two prototypes, and when it was canceled, military officials said innovations developed for Comanche would be used in future stealth crafts.


Pakistani officials carted away the wrecked helicopter Monday, loading it into trucks and covering the pieces with tarps. Former White House counterterrorism adviser Richard Clarke said the US could have reason to worry about where that wreckage will end up, given Pakistan’s close relationship with China.

imagninary picutre.jpg (12.42 KB)
2011-5-7 14:12
Military fans' imaginary pic about the mysterious helicopter


“There are probably people in the Pentagon tonight who are very concerned that pieces of the helicopter may be, even now, on their way to China, because we know that China is trying to make stealth aircraft," Mr. Clarke said Wednesday on ABC’s Good Morning America.


Peter Felstead, the editor of Jane’s Defence Weekly, said analysts had carefully studied the pictures and concluded that it was a “stealth helicopter that we have not seen before”. “The Americans will be extremely keen to get the wreckage back but there will also be real concerns about the technology finding its way to China,” he said. “This kind of technology would be extremely useful to them at this point.”


Pakistan has a well-established military relationship with China, working jointly on the JF17 Thunder fighter project.
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