| Acronym | Meaning |
| TLL | Tooling Inspection Instrumentation |
| PITS | Payload Integration Test Set |
| IPS | IRU Inertial Reference Unit |
| COFW | Certificate Of Flight Worthiness |
| SDS | Software Design Specification |
| CCD | Constants Change Display |
| GM | Gaseous Mixture |
| FACO | Factory Assembly And Checkout |
| TMB | Transportation Management Bulletin |
| LB | Load Bank |