| Acronym | Meaning |
| LCO | MMCUniform Central Number |
| TWTA | Traveling Wave Tube Amplifier |
| SCS | Stabilization And Control SYstem (Subsystem) |
| SPD | Standard Practice Directive |
| DCP | Development Cost Plan |
| CRM | Chemical Release Module |
| NSP | NASA SupportPlan |
| SDP | Software Development Plan |
| ERP | Effected Radiative Power |
| NAS | National Aircraft Standard |