| Acronym | Meaning |
 | RTCP | Real-Time Communications Processor |
| POM | Pallet-Only Mode |
| OCC | Operations Control Center |
| FOM | R Flight Operations Management Room |
| STA | Shuttle Training Aircraft |
| OPLF | Orbiter Processing And Landing Facility |
| IUS | International Ultraviolet ExPlorer |
| LC | Launch Critical |
| OAFD | Orbiter Air Flight Deck |
| TTP | Time To Perigee |
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