| Acronym | Meaning |
| CITA | Canadian Institute For Theoretical Astrophysics |
| MOMS | Modular Optoelectronic Multispectral/Stereo Scanner |
| AOCS | Attitude And Orbit Control System |
| DSN | Deep Space Network |
| STC | Stennis Test Center |
| ISEP | Isolated/Stabilized Exercise Platform |
| TAI | International Atomic Time |
| NTR | Nuclear Thermal Rocket(ry) |
| DOE | Department Of Education |
| NIR | Near InfraRed |