Success or failure can rest on a millisecond:

Greg Holcomb, Aerospace Testing Alliance (ATA) balance calibration engineer, watches as Michael Sain, ATA instrument technician for Precision Measurement Equipment Laboratory, prepares to lower a metal sleeve over the cryostat to allow them to bring the temperature down to conditions similar to those found in space. Another cryogenic sensor that has been calibrated to National Institute of Standards and Technology standards is installed in the cryostat to make a proper comparison. (Photo by Rick Goodfriend)

PHOTO BY: Rick Goodfriend
VIRIN: 100324-F-9114G-085.JPG
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