| Acronym | Meaning |
| RAP | Remedial Action Plan |
| BDU | Bus Data Unit |
| ATEX | Atlantic Tradewind Experiment |
| OS/2 | A Multitasking Operating System Developed By IBM For Its PC-class Computers |
| ESIS | Earth Science Information System |
| MRI | Minority Research Initiation |
| HST | Hubble Space Telescope |
| ABFEL | Air-based Free-electron Laser |
| ETA | A Vendor Of Supercomputers And Associated Software |
| NURE | National Uranium Resource Evaluation |