1. 1. Introduction
2. 2. Capabilities of the MOC
   1. Narrow Angle
   2. Wide Angle
3. 3. Mars Observer orbital characteristics
   1. Pointing
4. 4. The GDS in operation
   1. Specifying an observation
   2. Global observations
   3. Compression
   4. Automatic GDS operation
5. 5. Conclusions
6. 6. Revision history