| Acronym | Meaning |
| TGS | Telemetry Ground Station |
| EMG | Electromyograph(gram) |
| IDSD | Institutional Data System Division (JSC) |
| FRT | Flight Readiness Training |
| MAB | Materials Applications Board |
| HRSI | High Temperature Reusable Surface Insulation |
| SF | Safe |
| SST | Single System Trainer |
| M | Icom Missile Command (Army) |
| I | D&CA Inverter Distribution And Control Assembly |