| Acronym | Meaning |
 | IPO | International Programs Office |
| ALPA | Airline Pilots Association |
| SAM | Subsynoptic Advection Model |
| EM | Electron Microscope |
| BCS | Boeing Computer Services |
| EAC | Estimated Cost At Completion |
| EMG | Electromagnetic Gravity Data |
| ATSDR | Agency For Toxic Substances And Disease Registry |
| RMC | Regional Meteorological Center |
| ALS | Advanced Launch System |
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