| Acronym | Meaning |
| MEA | Main Electronics Assembly |
| DB | Dry Bulb |
| TELCOM | Telecommunications |
| EIS | End Item Specification |
| SSF | SRB Storage Facility |
| RCHCS | Regenerable CO And Humidity Contro SYstem |
| OTP | OPerational Test Procedure |
| PETA | Performance Evaluation And Trend Analysis |
| VCS | Verification Control Sheet |
| PAS | Payload Accommodation Studies |