| Acronym | Meaning |
 | PGA | Pressure Garment Assembly |
| RFO | Request For Order |
| JST | Joint Systems Test |
| SAM | SAMPShuttle Automated Mass Properties |
| PBAN | Polybutadiene Acrylonitrile (Propellant) |
| TER | Time Estimating Relationship |
| DTPR | Detailed Test Procedures |
| RRI | Rendezvous Radar Indicator |
| VGY | Velocity To Be Gained (Body Y-Axis) |
| ETS | External Tank System (Subsystem) |
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