| Acronym | Meaning |
 | ARC | Astrophysical Research Consortium |
| SL | (Comet) Shoemaker-Levy / SpaceLab |
| UARS | Upper Atmosphere Research Satellite |
| GRU | Glavnoye Razvedivatel'noye Upravileniye |
| ENACEOS | ENAC For EOS |
| MCCC | Maragone Convection On Closed Containers |
| OSTP | Office Of Science And Technology Policy |
| MSS | Multispectral Scanner |
| IFEA | Integrated Furnace Experiment Assembly |
| IGY | International Geophysical Year |
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