| Acronym | Meaning |
| NH4 | HNH4 Hydrazine |
| PERT | Program Evaluation Review Technique |
| U/M | Unmanned |
| STBY | Standby |
| OL | Operational Left DSC Or MDM |
| OSHA | Occupational Safety And Health Administration |
| SRT | Shuttle Requirements Traceability |
| DBGMP | DBWDecibels Referred To I Watt |
| DRD | Data Requirement Description |
| GPS | Ground Power Supply |