| Acronym | Meaning |
| SL-J | SpaceLab Japan |
| LEDA | On-line Earthnet Data Access |
| UDMH | Unsymmetrical DiMethyl Hydrazine |
| NIR | Near InfraRed |
| NPOE | NPO Energiya |
| VLBI | Very Long Baseline Interferometry |
| NBS | National Bureau Of Standards |
| CDS | Command And Data Subsystem |
| OSC | Orbital Sciences Corporation |
| HRSI | High-temperature Reusable Surface Insulation |