| Acronym | Meaning |
| LVDT | Linear Voltage Differential Transformer |
| MOD | Module |
| PICP | Program Interface Control Plan |
| KMS | K-Words X Millions Of Seconds |
| FCL | Freon Coolant Loop |
| PPR | Payload Preparation Room |
| IITCS | Igloo Internal Thermal Control Section |
| BOI | Break Of Integrity |
| CAP | Contractor Acquired Property |
| INTERFACE | CInterface Control Specification |