Across
- 3. How was the first America's space station called?
- 4. Which war proved the value of satellites in modern conflicts?
- 5. Where did the Columbia disaster occur?
Down
- 1. Which spacecraft was orbiting and mapping the surface of Mars?
- 2. Who was the first person to orbit Earth in Vostok 1
- 3. What was used to provide information on enemy troop formations and movements?