Messenger Mercury Explorer, USA
Key Data:
Start year
March 2004 (launch)
Project type
Spacecraft
Base Country
USA
Estimated investment
$286 million
Completion
2010 (leaves orbit)
Key Players:
Sponsor
NASA
Lead contractor
John Hopkins University Applied Physics Laboratory (JHU/APL)
Construction
GSFC University, Colorado, University of Michigan. Composite Optics, GenCorp Aerojet, Jet Propulsion Laboratory
