| Acronym | Meaning |
| IRLS | Interrogation & Reading Location System |
| F-V | Fussell-Vesely |
| IRMS | Isotope Ratio Mass Spectrometer |
| CCU | Cooler Control Unit |
| ETS | Emergency Transponder System |
| MPA | Maintenance Purchase Award |
| AMTS | Arctic Mesopause Temperture Study |
| RAWINS | Radio Wind Measurements |
| SEL | Space Environment Laboratory |
| IOC | Intergovernmental Oceanographic Commission |