| Acronym | Meaning |
| IPS | IPTCSInternational Pipe Thread |
| EBU | Eyeballs Up (-GZ) |
| B/SEC | Bits Per Second |
| RECRC | Recirculate |
| G/T | Antenna Gain-to-Noise Temperature Ratio |
| KOM | KSC Organizational Manual |
| ETA | Environmental Test Article |
| NB | Narrow Band |
| NBF | Neutral Buoyancy Facility |
| EIR | Environmental Impact Report |