| Acronym | Meaning |
 | GSSC | Ground Support Systems Contractor |
 | FTR | Functional Test Requirement |
 | FT&C | Formal Training And Certification |
 | CCL | Commonality Candidate List |
 | HFO | High Frequency Oscillator |
 | CM | Configuration Management |
 | S/A | Scheduled/Actual |
 | H-CITE | Horizontal-Cargo Integration Test Equipment |
 | CDR | Commander |
 | OML | Outer Mold Line |