| Acronym | Meaning |
| TIG | Time Of (until) Ignition |
| NSF | National Science Foundation |
| HRPT | High Resolution Picture Transmission |
| USA/RC | Universities Space Automation/Robotics Consortium |
| LAGEOS | Laser Geodynamics Satellite |
| EOSP | Earth Observing Scanning Polarimeter |
| JCMT | James Clerk Maxwell Telescope |
| KB | Construction Bureau |
| HMC | Halley Multicolor Camera |
| NTR | Nuclear Thermal Rocket(ry) |