| Acronym | Meaning |
| KT | Kit |
| ESS | Environmental Support System |
| HMCF | Hypergolic Maintenance And Checkout Facility |
| MTF | Mississippi Test Facility (now NSTL) |
| ORIG | Origin |
| ORE | On-Orbit Repair Experiment |
| ENCD | Encode |
| BOPACE | Boeing Plastic Analysis Capability For Engines |
| INSTRUM | Instrumentation Subsystem |
| RIL | Repairable Item List |