| Acronym | Meaning |
| ECCB | Engineering Change Control Board |
| DS | Data Storage |
| HTR | HydroxYl Terminated Polybutyiene |
| SOPC | Shuttle Operations Planning Complex |
| FHD | Fixed Head Disk |
| HL | Heel Line |
| M | ESAMiniature Electrostatic Accelerometer |
| CSDF | Central Source Data File |
| ETR | Eastern Test Range (ESME Preferred) |
| FSIWG | Flight System Interface Working Group |