| Acronym | Meaning |
| PCVB | Pyro Continuity Verification Box |
| EGRET | Energetic Gamma Ray Explorer Telescope |
| MTR | Magnetic Tape Recorder |
| SLCA | ERNO Spacelab Contract Administration |
| H2 | Hydrogen |
| TMC | Test Monitoring Console |
| V-CITE | Vertical-Cargo Integration Test EquiPment |
| DCSI | Data And Cqntrol Signal Interface |
| NIP | NNIP Network Input Processor |
| PAD | ProgramApprovalDocument |