| Acronym | Meaning |
| TC | Test Conductor (Controller) |
| IVC | Intervehicular Communications |
| UT | Umbilical Tower |
| LAT | Latch |
| PROP | Propulsion |
| MF | Medium Frequency (300 To 3000 KHz) |
| MMH | Maintenance Man-Hour |
| SA | Supplemental Agreement |
| M+R | Maintenance And Refurbishment |
| CSSE | Control System Simulation Equipment |