John Glenn's first flight ushered in the modern era of space exploration for America. His landmark return to space represented the final chapter of space exploration in the 20th century.
| Actor | Role |
|---|---|
 Jack WebbNarrator | Narrator |
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John Glenn's first flight ushered in the modern era of space exploration for America. His landmark return to space represented the final chapter of space exploration in the 20th century.
| Actor | Role |
|---|---|
| Jack WebbNarrator | Narrator |