The Diode Laser Hygrometer developed by NASA's Langley Research Center was mounted in the Global Hawk's payload bay to prepare for an atmospheric study of humidity and chemical composition.
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The Diode Laser Hygrometer developed by NASA’s Langley Research Center was mounted in the Global Hawk’s payload bay to prepare for an atmospheric study of humidity and chemical composition.October 12, 2011
NASA Photo / Tom Tschida
