| Acronym | Meaning |
| IN | India (FIPS 10-4 Country Code; ISO 3166 Digram) - Indiana (postal Symbol) - Infantry |
| NAMRL | Naval Aerospace Medical Research Laboratory |
| MADD | Mothers Against Drunk Driving - MyoAdenylate Deaminase Deficiency -Multiply-Add |
| ANG | Air National Guard -Netherlands Antillian Guilder (ISO 4217 Currency Code) |
| PT | Picotesla |
| ECCM | Electronic Counter-Counter-Measures |
| W3C | World Wide Web Consortium |
| NFPA | National Fluid Power Association (USA) |
| MCA | Micro Channel Architecture - MultiChannel Analyzer |
| JDEM | Joint Dark Energy Mission |