| Acronym | Meaning |
| PM | Phase Modulation |
| MRR | Mission Reconfiguration Request |
| OLSP | Orbiter Logistics Support Plan |
| HK | Housekeeping |
| WAD/NU | Work Authorization Number |
| SOMS | Shuttle Orbiter Medical System |
| T. | B.Toggle Buffer |
| SLE | ERNO Spacelab Engineering |
| S/A | Site Activation |
| OSTP | Orbiting System Test Plan |