| Acronym | Meaning |
| SSM/T | Special Sensor Microwave Temperature |
| IAD | Dulles International Airport |
| IAS | Indicated Air Speed |
| TRACE | Transition Region And Coronal Explorer |
| DEA | Drug Enforcement Administration |
| PPP | Parallelizing PreProcessor |
| IMP | Interplanetary Monitoring Platform |
| RTN | Regional Telecommunications Network |
| MRI | Mesoscale Research Initiative |
| EASOE | European Arctic Stratospheric Ozone Experiment |