Safety Delays •

If even a small amount of nitrogen tetroxide is inhaled, it fatally rushes the lungs with fluid. Needless to say, they had to stay put in the capsule for a little while longer. While NASA’s Commercial Crew Program manager Steve Stich assured everyone the amount of the chemical was still “within limits,” they waited for about 45 minutes for the fumes to dissipate, just to be safe. Photo Credit: Pool Photo by Jim R. Bounds-Pool/Getty Images

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