| Acronym | Meaning |
| HSCT | High Speed Civil Transport |
| QBO | Quasi-Biennial Oscillation |
| LOHSS | Local Hardware And Software Systems |
| KSC | Kennedy Space Center |
| UOM | Upper-ocean Model |
| ORR | Operations Readiness Review |
| CAE | Computer Aided Engineering |
| LLP | Lightning Location And Protection |
| AMR | Adaptive Mesh Refinement |
| BART | Biosphere Atmosphere Research And TRaining |