| Acronym | Meaning |
 | ATCSC | Air Traffic Control Systems Command Center |
| TASU | Time-alternating Space-uncentered |
| PASE | Polar Air-Show Experiment |
| BNSC | British National Space Centre |
| BSTS | Boost Surveillance And Tracking System |
| AFS | Auxiliary Feedwater System |
| ATDRSS | Advanced TDRSS |
| IFAW | International Fund For Animal Welfare |
| NNF | Non-NSF Funded |
| ISIS | International Satellites For Ionospheric Studies |
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