July 10
General John Medaris former, Commander of the Army Ballistic Missile Agency, died. ("Medaris Remembered as Forceful, Flamboyant," Huntsville Times, July 12, 1990)
July 10
A Senate subcommittee met to begin second session entitled "Oversight on Recent Problems with the Hubble Space Telescope and the Space Shuttle," Senator Ernest F. Hollings chaired the session. (Committee Print, July 10, 1990)
July 25
For the first time in the history of the Space Shuttle Main Engine test program at the John C. Stennis Space Center, engine tests were conducted on all three test stands during the same day. (NASA News Release, July 26, 1990)
July 25
The second meeting of The Hubble Space Telescope Optical Systems Board of Investigation was held on July 25-26 in offices of Hughes Danbury Optical Systems, Inc., (HDOS) in Danbury, Connecticut. The meeting involved status reports on work plan elements, reports on specific studies requested by the Board, and interviews with former and current HDOS Project Employees. (The Hubble Space Telescope Optical Systems Failure Report, Issued November 27, 1990)
July 25
An Atlas Centaur rocket launched from Cape Canaveral Air Force Station complex 36B carrying the Combined Release and Radiation Effects Satellite into orbit. (Marshall Star, August 1, 1990)
July 25
The American and Soviet crew members who flew on the historic Apollo-Soyuz Test Project Mission in 1975 made a reunion visit to the Marshall Center to mark the 15th anniversary of the mission. (Protocol Sheet, July 25, 1990)
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