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Science & Technology
Incredible video shows a hypersonic rocket sled shooting down a track at 6,599 miles per hour - almost two miles per SECOND - during US Air Force testing in New Mexico
2019-09-11
Posted by:Skidmark

#3  comments); ?>werwer
Posted by: USN, Ret.   2019-09-11 14:29  

#2  comments); ?>werwer
Posted by: Wily Coyote   2019-09-11 11:37  

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Posted by: Mercutio   2019-09-11 11:31  

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