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frigon_p
Lv 5
Space shuttle mission name?
Last mission was STS 121, next one is STS 115.
Why are they not in numerical order?
2 Answers
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- mzJakesLv 71 decade agoFavorite Answer
Missions are numbered in the order they are planned. The flights, however, often go out of their original sequence.
- Anonymous1 decade ago
They are numbered in decending order. When they reach zero, the world will end.
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