July 25
A Gamma Ray Observatory functional test was performed. The experiment was powered on for approximately 7 hours while several tests and calibrations were performed. (See MSFC History Office Microfiche #2127, "Notable MSFC Events During 1990," August 21, 1990)
July 26
NASA Administrator Richard H. Truly met in Tokyo with Japan's Minister of State for Science and Technology. The two men discussed new areas of space cooperation. (Johnson Space Center, Space News Roundup, August 10, 1990)
July 26
The United States Microgravity Laboratory-1 Payload Critical Design Review Board meeting was held. (See MSFC History Office Microfiche #2127, "Notable MSFC Events During 1990," July 30, 1990)
July 30
The Imaging Spectrometric Observatory (ISO) was shipped from the Marshall Center to the Kennedy Space Center for commencement of integration activities for the ATLAS-1 Space Shuttle mission. Scientists pointed out that the course of its development the ISO advanced the state of the art in several areas and was expected to provide much new information on the chemistry and physics of the middle and upper atmosphere. (See MSFC History Office Microfiche #2127, "Notable MSFC Events During 1990," August 6, 1990)
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