1: Tragic anniversary Space Shuttle Columbia Lost in the heavens

2: Brave astronauts gone Mission of exploration Memories live on

3: Accident in space Columbia's fiery descent Heartbreak for nation

4: Crew of seven lost Faces of heroes remembered Their sacrifice lives

5: Remembering their names Bold explorers of the stars Columbia's legacy

6: Twenty years have passed Still we honor their courage Never forgotten

7: Columbia's crew Symbol of human spirit Infinite reach of dreams

8: Their journey cut short But their mission continues Inspiring new heights

9: In the depths of space Columbia and her crew soar Forever in hearts