3 J* t. x6 F, f5 E( W. ~美军发言人则对此表示“不对外公布有关本次执行任务之单位以及使用装备等细节”。5 B3 ^, @, |# }0 n1 u/ {* u% J
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Osama bin Laden dead: hi-tech secret may end up in China; B8 G' A" b3 L5 G) [; {1 x
: L' c/ u# b: X( E' [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. l: m8 S5 Q& P# {. ~
/ O; ]0 W1 H* a0 yA spokesman for the American military said: “No operational details have been released about units or equipment.” & H9 F' M9 U8 H) o# ^3 _: B7 z; c
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1. Silver finish makes it harder to detect on radar and by infrared sensors* F: b4 X# n! h& Q- \
+ U/ v; Y: V+ v% J$ ^4 U2. Shape of tailboom has been altered and possibly enlarged to evade radar3 V- M' b1 v: J, `" V3 M, D
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3. Pan-like cover or hubcap over the rear rotor head conceals exposed machinery which is more easily picked up on radar t+ A8 k4 B# H& w% G. d
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4. Extra blades on tail rotor reduce noise and lessen typical chopper sound