| Acronym | Meaning |
| NTS | Near Term Schedule |
| NDI | Nondestructive Inspection |
| GFAE | Government Furnished Aerospace Equipment |
| CONT | Contingency |
| SDH | System Development Handbook |
| NAV | Navigate |
| S&E | Science And Engineering (MSFC Directorate) |
| SDM | SYstem Definition Manual |
| GUID | Guidance |
| LPOP | Low Pressure Oxidizer Turbopump |