| Acronym | Meaning |
| ACRBC | Acceptance |
| POV | Peak Operating Voltage |
| PCU | Process Control Unit |
| CWLM | Caution And Warning Limit Module |
| INTERCHANGE | Interchangeability And Replacement |
| PSM | Propellant Storage Module |
| SP-FGS | Flight And Ground Systems Office (KSC Shuttle) |
| SDM | Shuttle Data Management |
| GMN | GoGMNGorman (TACAN Station) |
| ELF | Extremely Low Frequency (1 Hz To 3 KHz) |