| Acronym | Meaning |
| PAM | Payload Assist Module |
| CCP | Configuration Control Panel |
| DDM | Discrete Data Management |
| TGA | Thermal Gravimetric Analysis |
| PBPS | Post-Boost Propulsion System(s) |
| NCI | Phasing Maneuver |
| IPS | Ips International Pipe Standard |
| OSHA | Occupational Safety And Health Act (Activity) |
| HPOT | High Pressure Oxidizer Turbopump |
| OIA | Orbiter Interface Adapter |