Originally shared by Quarto Explores

#ThisDayInHistory–On May 13, 1969, the first X-15 was put on display at the Smithsonian [email protected]#X15 #airspace

http://zenithpress.tumblr.com/post/85619257310/x-15-displayed-at-smithsonian

http://zenithpress.tumblr.com/post/85619257310/x-15-displayed-at-smithsonian