| Acronym | Meaning |
| JP | Jet Propellant |
| MADS | Modular Auxiliary Data Systems |
| IDTA | Interdivisional Technical Agreement |
| PCIN | Program Change Integration |
| WBSC | Wide-band Signal Conditioner |
| SSO | Subsystem Operation (in Spacelab) |
| IP | Igloo Pallet |
| CSL | Command Signal Limiter |
| SHF | Super High Frequency |
| RAD | Radiation Dosage |