| Acronym | Meaning |
| MPC | Midbody Pyro Controller |
| SDR | Spacelab DisPosition Record (ESA) |
| UT | Universal Time |
| STD | Lfollows) |
| PMF | Perigee Motor Firing |
| IPS | IRN Interface Revision Notice |
| MPS | Master Program |
| DML | Developmental Instrumentation MDM-Left |
| FDA | Flight Deck Assembly (FDF) |
| MMCA | Mid Motor Controller Assembly |