| Acronym | Meaning |
| FTP | File Transfer Protocol |
| RTLS | Return To Launch Site - Period In NASA Space Shuttle Assent Profile Where |
| PSG | Pacific Seabird Group |
| TE | Tellurium |
| SEP | Somebody Else's Problem - Spherical Error Probable - System Enhancement Package - System Engineering Plan |
| HO | Holmium |
| TMD | Theatre Missile Defence |
| PCN | Pitcairn Islands (ISO 3166 Trigram) |
| DHS | U.S. Department Of Homeland Security |
| SMART | Subject Matter And Requirements Team |