The Mars Surveyor '98 mission originally included an orbiter, lander, and rover.
Over 100 cameras were used to observe the lift-off to check for any falling debris that could damage the orbiter.
orbiter missions would be followed by craft landing on Europa.
orbiter images are still frustratingly vague and the Huygens images are few in number and cover only a tiny area.
orbiter vehicles - Information on each operational and retired vehicle in the US fleet of space shuttles with details of construction and missions.