| Acronym | Meaning |
| PH | Passive Homing (missile Guidance System) -petahenry - Philippines (ISO 3166 Digram) -Probability Of Hit - Public Health - Purple Heart |
| RDA | Research |
| ACINT | Acoustic Intelligence |
| ORAU | Oak Ridge Associated Universities |
| AFS | Active Front Steering - Air Facility Sub-System - Amniotic Fluid-derived Stem Cell |
| OHIP | Ontario Health Insurance Plan |
| NOPA | National Office Products Alliance - National Office Products Association |
| LRAS3 OR LRAS? | Long Range Advanced Scout Sensor Suite |
| JSAF | Joint Semi-Automated Forces (jay-saff) |
| NOTAFLOF | No One Turned Away For Lack Of Funds |