| Acronym | Meaning |
| CMA | Configuration Management Accounting |
| TLS | Top Left Side |
| ESS | Experiment Subsystem Simulator |
| MSI | Medium Scale Integration |
| CMP | Configuration Management Plan |
| EFTO | Encrypted For Transmission Only |
| TE | Test Equipment |
| ITS | Interim Teleprinter System |
| MF | Medium Frequency (300 To 3000 KHz) |
| OCP | Output Control Pulse |