| Acronym | Meaning |
| CADS | Command And Data Simulator |
| HA | Apogee Altitude |
| NSI-I | NASA Standard Initiator-Type I (was SMSI) |
| SSDH | Subsystem Data Handbook |
| COM | Computer Output Microfiche |
| ILP | IntegratedLogistics Panel |
| UCS | Universal Control System |
| HR | Historical Record |
| SASTP | Stand-Alone Self-Test Program |
| MRTC | Multiple Real-Time Commands |