| Acronym | Meaning |
| CG | Center Of Gravity |
| FRT | Flight Readiness Training |
| R&DO | Research And Development Operations (MSFC) |
| GHE | Gaseous Helium |
| FACO | Fabrication And Acceptance Checkout |
| MFG | Major Functional Group |
| SMQ | Structure Module Qualification Test |
| EBCDC | Extended Binary Coded Decimal |
| CCDR | Contractor Critical Design Review |
| CSRP | Computers And Software Review Panel |