| Acronym | Meaning |
| SMPM | Structural Materials Property Manual |
| CB/DC | Circuit Breaker (dc Only) |
| PCI | Procedure Change Unit |
| SA | Subaccount |
| ECCB | Engineering Change Control Board |
| GPTE | General Purpose Test Equipment |
| SEC | Source Evaluation Committee |
| FCOS | Flight Computer Operating System |
| NSR | Nominal SlowRate |
| SSDD | Software System Design Document |