| Acronym | Meaning |
| GCHX | Ground Cooling Heat Exchanger |
| OTH | Over-the-Horizon (.Radar) |
| TAEM | Terminal Area Energy Management |
| MV | Manufacturing Verification |
| IDT | I-load Data Tape |
| EPD | Electrical Power Distribution |
| SSUS | Spinning Solid Upper Stage |
| MEAS | Measuring |
| GDBS | Generalized Data Base System |
| TOG | Toggle |