| Acronym | Meaning |
| UDL | Updata Link |
| DOL | Department Of Labor |
| WAD/NU | Work Authorization Number |
| SRB | Solid Rocket Booster |
| RGAO | Rate Gyro Assembly-Orbiter |
| PBIC | Programmable Buffer Interface Card |
| FEID | Flight Equipment Interface Device |
| HMF | Horizontal Mating Facility |
| SP-PCO | Program Control Office (KSC Shuttle) |
| VAST | Versatile Avionics System Tester |