| Acronym | Meaning |
| DRA | Data Release Authorization |
| MOD | Modification |
| OR | Operations Requirement |
| B | Bit |
| IPS | I RTCMIntegrated Real-Time Contamination Monitor |
| PCRB | Program Change Review Board (RI Launch |
| CDR | Commander |
| SCSG | Strain Gauge Signal Conditioner |
| FRCS | Forward Reaction Control System |
| ED | Explosive Device |