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Across 1. Emergency landing strip used on Colombia's third mission. (2 Words) 4. 2nd A of N.A.S.A. 5. Orbital vehicle. (2 Words) 7. Last person to step off the moon. (2 Words) 10. Number of people to walk on the moon. 12. Russians in space. 13. American lauch facility. (2 Words) 18. First human in space. (2 Words) 20. Second person to walk on the moon (2 Words) 21. Country where debris from American space station came to earth. 22. N of N.A.S.A. 23. First country to be documented using rockets. 24. First artificial satellite. (2 Words)

Down 2. Last manned mission to the moon. (2 Words) 3. First american orbital space station 4. Failed manned mission to the moon. (2 Words) 6. Last space shuttle to fly. 8. Number of Soviet Union/Russian orbital space satations that have been launched. 9. First manned mission to the moon. (2 Words) 11. European civilian expendable launch facility. 14. 1st A of N.A.S.A. 15. S of N.A.S.A. 16. First living organism in space. (2 Words) 17. First space shuttle to fly. 19. Russian/SovietUnion's space shuttle.