In the context of the article, the “sobering lesson” (line 52) that “the venerable space shuttle offers” (line 51) for new space companies is to (A) land a rocket at sea (B) make SpaceX an arresting success. (C) prove the existence of life in other planets. (D) reestablish payloads into space to $25 a pound. (E) re-fly a rocket without spending too much time and money.
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