Artist-supplied caption:
A brief description of the patch on the following page:
The outer design is a capsule (timeless);
The three rounded corners represent NASA's Mission Success of "Exploring - Discovering - Learning";
The inner design of the Space Shuttle Vehicle (SSV) has always been a constant - dedicated to the Men & Women who helped the SSP in accomplishing their goals;
The Fourteen Stars representing the 14 Astronauts who lost their lives "Reaching for the Stars";
Besides deploying major payloads, the two things which stand-out the most is the ISS and HST represented on the patch;
The American Flag represents America's Past, Present and Future in this industry
On the bottom, all the SSVs that flew