| Acronym | Meaning |
| IRS | Information Retrieval Service |
| NOC | Naval Oceanographic Command |
| MPI | Message Passing Interface |
| AWE | Atomic Weapons Establishment |
| ISO | International Standards Organization |
| ZWA | Zonal Wind Anomaly |
| BIT | Binary Digit |
| ESTSC | Energy Science And Technology Software Center |
| ICF | Instrument Control Facility |
| LDS | Lightning Detection System |