| Acronym | Meaning |
 | PIXE | Proton Induced X-ray Emission |
| GSE | Ground Support Equipment |
| GOSIP | Government Open Systems Interconnect Protocol |
| AL/MRD | AL Management Review Division |
| RGP | Reactive Gases And Particles Project |
| UNCED | United Nations Conference On Environment And Development |
| CASI | Canadian Aerospace Institute |
| ARC | Ames Research Center |
| SAC-C | Argentina's Scientific Applications Satellite |
| PISP | Polar Ice Sheet Program |
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