| Acronym | Meaning |
| SRA | Support Requirements Analysis |
| DRIRU | Dry Rotor Inertial Reference Unit |
| MERL | Materials Engineering Research Laboratory |
| BP | C&DControl And Display |
| HPFT | High-pressure Fuel Turbopump |
| CDF | Central Data Facility |
| INTERFACE | Tool |
| EPO | Element Project Office |
| DC | DCAADefense Contract Audit Agency |
| MMSE | Multiuse Mission Support Equipment |