| Acronym | Meaning |
| BSD | Berkeley Software Distribution |
| BMDO | Ballistic Missile Defense Organization |
| ISA | Instrument Society Of America |
| EPOCS | Eastern Pacific Ocean Climate Study |
| XMDSL | X Window Interface Distributed Software Library |
| APA | Allied Pilot's Association |
| VLBI | Very Long Baseline Interferometry |
| FOC | Full Operational Capability |
| MATCH | Model For Atmospheric Chemistry And Transport |
| ICD | Interface Control Document |