The Mars Exploration Rover (MER) mission consisted of two spacecraft, MER-2 hardware which included the Spirit rover, and MER-1 hardware, which included the Opportunity rover.  Spirit was launched June 10, 2003, on a Delta II 7925 launch vehicle.  Opportunity followed 3 weeks later, launching July 7, 2003 on a Delta II 7925 Heavy vehicle.

extracted metadata from PDS3 catalog and
                    modified to comply with PDS4 Information Model

MARS EXPLORATION ROVER

PDS Image Atlas

Explore planetary data from NASA Mars and lunar landed missions

Analyst's Notebook

Text-based and an interactive map-based search interface for finding and downloading desired orbital observations