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| | NASAexplores 9-12 Lesson: Do You Have The Right Stuff? (Student Sheets) |
 | | Deke Slayton was grounded because of medical reasons (heart fibrillation), but flew 16 years later representing the United States on board Apollo (Apollo-Soyuz Test Project). |
 | | The Project Mercury astronauts’ selection was announced on April 9, 1959, only 6 months after the NASA was formally established on October 1, 1958. |
 | | They are (front row, left to right) Walter H. Schirra, Jr., Donald K. Slayton, John H. Glenn, Jr., and Scott Carpenter; back row, Alan B. Shepard, Jr., Virgil I. Gus Grissom, and L. Gordon Cooper. |
| www.nasaexplores.com /show_912_student_st.php?id=030107172313 (481 words) |
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