CFRs go through a formal selection process, which involves completing an application form and an interview to test their suitability for the job.

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Imagine you are about to take a difficult test, or undergo a grueling interview.

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Last month, Mr. Whitesides said in an interview that after the test flights are completed, Virgin Galactic would like to retain "some kind of relationship" with Scaled Composites, but he didn't provide specifics.

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