| Acronym | Meaning |
 | ANATEX | Across North America Tracer Experiment |
| UNESCO | United Nations Educational |
| BIOMASS | Biological Investigations Of Marine Antarctic Systems And Stocks |
| ESA | Engineering Support Activity |
| BPA | Blanket Purchase Award |
| UT | Universal Time |
| IQSY/EX | International Quiet Years Of The Sun Experiments |
| GEMINI | General Mesonetwork Interpolation Interface |
| AWACS | Airborne Warning And Control System |
| AR | Administrative Requirement |
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