In 1975,Full-scale space shuttle model was born.

Here is a full-scale model of the Space Shutttle Constitution (eventually renamed Enterprise) from 1975. Flickr was a 5-years-old boy used Aaron Harvey when his grandfather, who worked at Lockheed at the time, gave him these marvelous snapshots. Click to see them larger at Harvey's Flickr stream. (via Ariel Waldman)