| Acronym | Meaning |
| KSA | Ku-band Single Access |
| TMB | Transportation Management Bulletin |
| INTERFACE | CInterface Control Unit |
| EML | Electromagnetic Laboratory |
| CAS | Command Augmentation System |
| SURS | Standard Umbilical Retraction System |
| CTA | Computer Technology Associates (GSFC) |
| FOSDIC | Film Optical Sensing Device For Input To Computers |
| TWT | Trisonic Wind Tunnel (Rockwell) |
| VCO | Voltage Controlled Oscillator (Oscillation) |