9

By Mary Chiu If you know anyone who’s been involved in building a spacecraft, I’m sure you’ve heard the mantra, “Test what you fly, and fly what you test.”

By Allan Frandsen One aspect of my job as Payload Manager on the Advanced Composition Explorer (ACE) mission involved keeping track of what the different science teams were working on, and offering help where it was needed.

By Donald Margolies It was the first time on any NASA project I know of that all the instruments on an observatory came off for rework or calibration after the full range of environmental tests, and then were reintegrated at the launch center without the benefit of an observatory environmental retest.