Can anyone tell us how we stop our stealth bombers appearing on flight radar please? #AvGeekpic.twitter.com/z68IeAfv9P
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Dunno, just heard that it helps the plane show on radar better. ;-)
smh
It's like a responder but wears rainbow coloured clothing... 
Brilliant 

In the words of Billy Connolly, this is the one that got me out of the chair and needing an ambulance

Makes you a better radar target+it transmits speed altitude data.
Oh you silly girl, it's like IFF for civvies
Did you assume the gender if the transponder? 
GPS position reporting system, should have switch in stealth aircraft to turn off
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