| Acronym | Meaning |
| MMS | Mission Modular Spacecraft |
| TIROS | ToPographical Infrared Operations Satellite |
| CM&S | Communications Maintenance And Storage |
| PRR | Pulse Repetition Rate |
| SP-OPI | OPerations Planning And Integration Office (KSC |
| SLCL | ShoP/Lab Configuration Layout |
| OMS | Orbital Maneuvering System |
| BFCS | Backup Flight Control System |
| I@@PL | Implement |
| PN | Pseudo Noise |