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 The following events occurred in August 1963:
 
  
  
  
  
  
  
  This article incorporates text from this source, which is in the  public domain .Grimwood, James M.; Hacker, Barton C.; Vorzimmer, Peter J. "PART II (A) Development and Qualification January 1963 through December 1963". Project Gemini Technology and Operations - A Chronology. NASA Special Publication-4002. NASA . Retrieved 23 February 2023.
 This article incorporates text from this source, which is in the  public domain .Grimwood, James M.; Hacker, Barton C.; Vorzimmer, Peter J. "PART II (A) Development and Qualification January 1963 through December 1963". Project Gemini Technology and Operations - A Chronology. NASA Special Publication-4002. NASA . Retrieved 23 February 2023.{{cite book}}: ISBN / Date incompatibility (help)[Du Bois] would unfailingly insist upon the 'correct' pronunciation of his surname. 'The pronunciation of my name is Due Boyss, with the accent on the last syllable,' he would patiently explain to the uninformed.