April 24
STS-31, Space Shuttle Discovery, roared to life at 7:33 a.m. carrying the Hubble Space Telescope. (Kennedy Space Center, Spaceport News, January 11, 1991)
April 24
Alabama Governor Guy Hunt visited the Marshall Center to announce the appointment of Harry Atkins as advisor to the state on ways to utilize NASA technology. (Marshall Star, May 2, 1990)
April 25
The Astro-1 Payload Crew received its final experiment proficiency training at the Payload Crew Training Complex. (See MSFC History Office Microfiche #2127, "Notable MSFC Events During 1990," May 7, 1990)
April 25
A Quarterly Review of the Orbital Maneuvering Vehicle Project was held. TRW presented a briefing on project status, configuration changes, and the top technical issues/concerns. (See MSFC History Office Microfiche #2127, "Notable MSFC Events During 1990," April 30, 1990)
April 25
After a delay in getting one of the Hubble Space Telescope's solar wings unfurled, Astronaut Steven Hawley flexed the Space Shuttle's robot arm and set the Hubble Space Telescope free from Discovery 380 miles over the Pacific Ocean at 2:38 p.m. CDT. ("Hubble Looks 'Great'," The Huntsville Times, April 26, 1990)
April 26
Two MSFC representatives participated in a joint NASA/Italian Space Agency meeting in Rome on April 26 and 27, 1990. The meeting was to review the results of the one-year Joint NASA/ASI Study which identified potential areas for Italian participation in Space Station Freedom. (See MSFC History Office Microfiche #2127, "Notable MSFC Events During 1990," May 7, 1990)
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