| Acronym | Meaning |
 | SPP | Simulation Planning Panel |
| P&M | Performance Monitor |
| LACB | Landing Aids Control Building (SLF At KSC) |
| DADS | Dual Air Density Satellite |
| MTO | Maximum Time Out |
| SBA | Structure Borne Acoustic |
| SPLX | Simplex |
| EED | Electro (Electrical) Explosive Device |
| ISC | Johnson Space Center (formerly MSC) |
| MO | Master Oscillator |
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