| Acronym | Meaning |
| NIB | NNIB Noninterference Basis |
| MCPS | Major Cost Proposal System |
| HPOTP | High Pressure Oxidizer Turbopump |
| PPCO2 | Partial Pressure CO2 |
| POR | Purchase Order Request |
| TECH | Technical |
| RFI | Radio Frequency Interference |
| OT | Out Temperature |
| HAST | High Altitude Supersonic Target |
| EOP | Experiments Of Opportunity |