| Acronym | Meaning |
| GOR | GrGORGround Operations Review |
| G/E | Graphite Epoxy |
| IPDR | Incremental Preliminary Design Review |
| PAM | Payload Assist Module |
| PHM | Per Hundred Million |
| OTP | Operations Turnaround Plan |
| SSPD | Shuttle System Payload Description |
| CPSS | Critical Phase System Software |
| IPS | ISA Interim Stowage Assembly |
| PCOT | Payload Center Operations Team |