First Space Helicopter Set To Take To Martian Skies
First space helicopter set to take to Martian skies. https://www.nbcnews.com/science/space/first-space-helicopter-set-take-martian-skies-n1257617 (Photo courtesy of NASA)
First space helicopter set to take to Martian skies. https://www.nbcnews.com/science/space/first-space-helicopter-set-take-martian-skies-n1257617 (Photo courtesy of NASA)