| Acronym | Meaning |
| RTLS | Return To Launch Site - Period In NASA Space Shuttle Assent Profile Where |
| SQL | Structured Query Language (seek-well) |
| MKT | Missouri-Kansas-Texas Railroad (1865-1989) - Mortal Kombat Trilogy |
| PLC | Public Limited Company (British) |
| IATA | International Air Transport Association |
| MEM | Message Exchange Mechanism -Microelectromechanical |
| SLAC | Stanford Linear Accelerator Center |
| PME | Professional Military Education |
| PDRY | People's Democratic Republic Of Yemen (obsolete Since 1990) |
| DVU | Decessit Vita Uxoris (Latin |