211 



U.S.A. 



VENUS RADAR MAPPER (VRM) 

 Jet Propulsion Laboratory 

 NASA 



"Big Science" Descriptor : Space: lunar and planetary probe 



Description of Facility/Instrument : This probe will map Venus with a 

 synthetic aperture radar and investigate the origin and evolution 

 of planet study morphology and composition. 



Date of Construction : First half of 1988, projected launch 



Construction Cost ; 1984 $$ : $400 million 



Present International Cooperation 



Natlonality(s) of Ownership : U.S. 

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

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

 Nationallty(s) of Researchers : U.S. 



Potential for Future International Cooperation: As yet undetermined. 



U.S.A. 



MARS GEOSCIENCE CLIMATOLOGY OBSERVER (MGCO— MARS OBSERVER) 

 Jet Propulsion Laboratory 



"Big Science" Descriptor : Space: lunar and planetary probe 



Description of Facility/Instrument : A satellite to determine the glo- 

 bal, elemental, and minerologlcal character of Mars. 



Date of Construction : 1990, projected launch 



Construction Cost : 1984 $$ : $375 million 



Present International Cooperation 



Nationallty(s) of Ownership : U.S. 

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

 Natlonallty(s) of Management Staff : ^U.S. 

 Natlonality(s) of Researchers : U.S. 



Potential for Future International Cooperation: As yat undetermined. 



