| Acronym | Meaning |
| PIPA | Pulse Integrating Pendulum Accelerometers |
| FPR | Flight Performance Reserve |
| MILLS | Modular Integrated Utility Systems |
| RDD | Requirements Definition Document |
| PTM | Pulse Time Modulation |
| IDRD | Internal Data Requirement Description |
| SMAB | Solid Motor Assembly Building |
| SV | Selenoid Valve |
| OP | Operation |
| HCMM | Heat Capacity Mapping Mission |