News World Know about SR-72 spy plane that can traverse a continent in less than an hour

Know about SR-72 spy plane that can traverse a continent in less than an hour

New Delhi: SR-72 blackbird is a spy plane that can cross a continent in less than an hour.The unmanned, hypersonic aircraft is being designed by American aerospace company Lockheed Martin.With a mach speed of 6,


 

It has the ability to cross the Atlantic in about an hour and fly across the planet in about six hours.

 

 

 

 

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