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U.S.A. 



VOYAGER I AND II 



Jet Propulsion Laboratory 



NASA 



"Big Science" Descriptor ; Space: lunar and planetary probes 



Description of Facility/Instrument ; VOYAGER I encountered Jupiter and 

 Saturn during 1979 to 1981 to study their atmospheres, satellites, 

 and rings; to search for the heliospheric boundary; and to inves- 

 tigate interstellar space. VOYAGER II encountered Jupiter and 

 Saturn during 1979 to 1981. It is scheduled to encounter Uranus 

 In 1986 and Neptune in 1989. 



Date of Construction : 1977 (launches) 



Construction Cost : 198A $$ : $350 million. 



Present International Cooperation 



Nationallty(s) of Ownership : U.S. 

 Natlonality(s) of Operational Funding : U.S. 

 Nationality (s) of Management Staff : U.S. 

 Natlonality(s) of Researchers: uTs. 



Other Information: 



Launched 



VOYAGER I : September 5, 1977 



VOYAGER II: August 20, 1977 



