| Acronym | Meaning |
| WOS | Weather Observing Systems Committee |
| TDM | Time Division Multiplex |
| UMC | UCAR Managment Committee |
| USPHS | United States Public Health Service |
| FLETC | Federal Law Enforcement Training Center |
| OAS | Organization Of American States |
| JSPO | Joint Systems Program Office |
| HSCT | High Speed Civil Transport |
| EMACS | An On-line Text Editor Distributed As Part Of The GNU Package Of UNIX Software |
| AXAF | Advanced X-ray Astrophysics Facility |