| Acronym | Meaning |
 | HLMT | Hel Met |
| HAL/S | High Order Programming Language For Spacelab Usage |
| MSL | Mechanical System(s) Laboratory |
| PM | Pulse Modulation |
| ORF | Orifice |
| SRSF | SRB Refurbishment And Subassembly Facility |
| SMQ | Structure Module Qualification Test |
| LPFTP | Low Pressure Fuel Turbopump |
| BTR | Boom Time Remai-ni'ng |
| NM | Nonmetallic |
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