| Acronym | Meaning |
| STA | Static Test Article |
| ADEOS | Advanced Earth Observing Mission |
| EDU | Engineering DeveloPment Unit |
| SP | Spare |
| ETA | Explosive Transfer Assembly |
| TP | Transition Period (T.P. Preferred) |
| RDC | Request For Document Change |
| GDSO | Ground Data Systems Officer |
| MSF | Manned Space Flight |
| SDC | Shallow Draft Board |