1. In the mid 1970'5, NASA Headquarters authorized the GSFC to proceed with the full-scale development of the MMS. In the same time frame, the Solar Maximum Mission (SMM) received program go-ahead, and the decision was made that SMM would be the first customer of the MMS. Following SMM in short order, the MMS was selected for the earth resources, Landsat Observatories and then the Upper Atmosphere Research Satellite (UARS) . The comparative specifications for these three programs are presented on the chart below.
2. (LaunchConfiguration)