| Acronym | Meaning |
| DDPS | Digital Data Processing System |
| OFP | Operational Flight Profile |
| PCO | Postcheckout Operations |
| OM | Orbital Maneuvering Engine |
| MCPS | Major Cost Proposal System |
| STRB | Strobe |
| MFR | Maximum Flight Rate |
| MOCR | Mission Operations Control Room |
| MTGP | Monitor Table Generator Program |
| CIE | Communications Interface Equipment |