| Acronym | Meaning |
| ISSS | International Society Of Soil Science |
| FCCSET | Federal Coordinating Council On Science |
| SCSC | Summer Computer Simulation Conferences |
| AL/PIRD | AL Personnel |
| NIST | National Institute Of Standards And Technology |
| PRT | Pulse Repetition Time |
| ISP | Internet Service Provider |
| TIWEX | Tropical Institute (or Instability) Wave Experiment |
| GA | Billion Years Unit |
| TECOM | Test And Evaluation Command |