| Acronym | Meaning |
 | PCM | E Pulse-Code Modulation Event |
| DHS | Discrete Horizon Sensor |
| LC | Launch Complex |
| C/W | Caution And Warning |
| GFP | Government Furnished Property |
| R/W | Runway |
| ECL | Entry Closed Loop |
| TZ | Translation Hand Controller Z-Axis Direction |
| TWT | Trisonic Wind Tunnel (Rockwell) |
| ECRA | Engineering Change Request/Authorization |
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