| Acronym | Meaning |
| FDI | Failure Detector Indicator |
| SM | ESShuttle Mission Eng' |
| ATP | Acceptace Test Procedure |
| DY | Deputy Director (KSC Directorate) |
| BDA | BermudaIsland |
| SB | Synchronization Base |
| HUL | Hardware Utilization List |
| NIL | NNIL No Limit (NL Preferred) |
| ECRA | Engineering Change Request/Authorization |
| UCD | Urine Collection Device |