what's the purpose for this

May 7th, 2014  

Topic: what's the purpose for this

fly">From fly">
From flyflywhile watching some military movies i noticed this , could someone tell me the reason for string/rope on tail/back of helicopters & planes ...is it just for add strength to airframe or something more important purpose

May 8th, 2014  
Those are HF antennas, used for long range communication.
May 27th, 2014  
Washing line! XD

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