| Acronym | Meaning |
| NUL | Null Character (ASCII Code Of Control Character) - National Urban League |
| NACC | North Atlantic Cooperation Council |
| BSA | Birmingham Small Arms (motorcycles Company) - Boy Scouts Of America - Brigade Support Area |
| TRASANA | TRADOC Systems Analysis Agency |
| NOC | UK. National Oceanography Centre |
| NAVSPACECOM | U.S. Navy Space Command |
| FEZ | Fighter Engagement Zone |
| SAR | Saudi Riyal (ISO 4217 Currency Code) -Search And Rescue - Special Administrative Region - Synthetic Aperture Radar |
| NICHD | National Institute Of Child Health And Human Development [4] |
| STOL | Short Take-Off And Landing |