| Acronym | Meaning |
| ESS | Equipment Support Section |
| CTWT | Counterweight |
| UER | Unique Equipment Register |
| HFTS | Horizontal Flight Test Simulator |
| DL | Electronics Engineering (KSC DE Dir.) |
| SPP | Simulation Planning Panel |
| SPECT | Spectrometer |
| EDT | Eastern Daylight Time |
| PCDU | Payload Command Decoder Unit |
| PIC | Pyro Initiator Controller |