|Mars Global Surveyor|
|Launch vehicle||Delta II 7925|
|Launch date|| 1996 November
The Mars Global Surveyor (MGS) orbited Mars over a seven year period and collected data on the surface morphology, topography, composition, gravity, atmospheric dynamics, and magnetic field. This data will be used to investigate the surface processes, geology, distribution of material, internal properties, evolution of the magnetic field, and the weather and climate of Mars.