| Acronym | Meaning |
| LF | Low Frequency |
| COE | Cab Over Engine (see Truck) - Common Operating Environment (military) |
| BITE | Built-In Test Equipment |
| CSIP | Commercial Stable Image Platform (AMD) |
| FMECA | Failure Modes And Effect Criticality Analysis |
| NUL | Null Character (ASCII Code Of Control Character) - National Urban League |
| RISTA | Reconnaissance |
| NOLF | Navy OutLying Field |
| CBS | Columbia Broadcasting System - Corps Battle Simulation |
| CIS | Canadian Interuniversity Sport - Commonwealth Of Independent States - Command And Information System - Communication And Information System |