| Acronym | Meaning |
 | CCU | Communications Carrier Umbilical |
| DDP | Digital Data Processing (Processor) |
| SI | International System Of Units (ISU Preferred) |
| IPS | ISD Instructional Systems DeveloPment (USAF) |
| T | Time |
| B&W | Black And White |
| SLS | Spacelab Simulator |
| LID | Logistics Identification Document |
| LH2 | Liquid Hydrogen |
| VERLORT | Very Long Range Tracking Radar |
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