| Acronym | Meaning |
| CRS | Cross |
| CDRL | Contract Data Requirements List |
| SR&Q | Safety |
| TPO | Test Program Out@ine |
| GCN | Ground Communications Network (A/G Worldwide Net) |
| EPOC | External Payload Operations Center |
| EOPO | Equal Opportunity Program Office |
| HSCU | Hydraulic SUPPly And Checkout Unit |
| SR&QA | Safety |
| CSE | Configuration Switching EquiPment |