| Acronym | Meaning |
| AGC | Automatic Gain Control |
| JVNC | John Von Neumann National Supercomputing Center |
| AORD | Astronaut Operations Requirements Document |
| ALPA | Airline Pilots Association |
| IGB | International Geophysical Bulletin |
| NTSC | National Television System Committee |
| IBM PC | Generic Term For IBM Personal Computers |
| MPP | Massively Parallel Processor |
| N-AWIPS | National Centers Advanced Weather Interactive Processing Systems |
| SDS | Solar Disk Sextant |