Space Shuttle Illustrations

With the recent historic jump by Felix Baumgartner & the Space Shuttle Endeavour making it way through the streets of California this week, time to reflect on the early concepts by Nasa.

San Diego Air & Space Museum houses over one million aviation related photos, slides and transparencies on their Flickr account. While we haven't gone through them all, here are some great early illustrations of the Space Shuttle.
 
Check out of the link after the images

San Diego Air & Space Museum