| Acronym | Meaning |
 | PSIS | Pounds Per Square Inch Sealed |
| MPS | Main Propulsion System (Subsystem) |
| NSI-I | NASA Standard Initiator-Type I (was SMSI) |
| ECC | Engineering Critical Component |
| CCAFS | Cape Canaveral Air Force Station |
| SART | Shuttle Astronaut Recruitment Program |
| ITS | Instrumentation Telemetry Station |
| RF | Right Forward |
| PCM | Pulse Code Modulation |
| PPM | Part Per Minute |
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