| Acronym | Meaning |
| DSN | Deep Space Network |
| DOD | Department Of Defense |
| PDE | Particle Dispersion Experiment |
| BD | Bonner Durchmusterung (catalog) |
| RHC | Rotational Hand Controller |
| USAF | United States Air Force |
| JPL | Jet Propulsion Laboratory |
| COMSAT | Communications Satellite (Corporation) |
| DC | Delta Clipper |
| SLAR | Side-Looking Airborne Radar |