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Osama bin Laden dead: hi-tech secret may end up in China$ a) Z' Y1 ^7 @0 @
8 K" t! O3 \1 t+ I9 S) lThere 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.! u+ H' Y* A* z0 f
+ N" ~& }& A0 j$ FA spokesman for the American military said: “No operational details have been released about units or equipment.” 4 E( E- w# Y4 r) q# R
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1. Silver finish makes it harder to detect on radar and by infrared sensors$ |+ A, C. A* e* g2 P9 c
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2. Shape of tailboom has been altered and possibly enlarged to evade radar 6 k, P& G( e$ A, N- \8 k3 a2 s 4 z* k4 z5 U6 c, o3. Pan-like cover or hubcap over the rear rotor head conceals exposed machinery which is more easily picked up on radar4 [: L% o- F* ?1 s! @, S
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4. Extra blades on tail rotor reduce noise and lessen typical chopper sound
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