When did Gagarin become deputy training director of the Star City cosmonaut training base?
| Options: |
| A) December 20, 1973 B) December 20, 1963 C) December 10, 1963 D) December 20, 1960 |
| Answer : December 20, 1963 |
| Options: |
| A) December 20, 1973 B) December 20, 1963 C) December 10, 1963 D) December 20, 1960 |
| Answer : December 20, 1963 |