| Acronym | Meaning |
| SNS | Spallation Neutron Source |
| DINK | Double Income |
| LRIP | Low Rate Initial Production |
| TSN | The Sporting News - The Sports Network |
| ALD | Accounting Line Designator (nuclear Weapon Targeting) |
| CRI | Costa Rica (ISO 3166 Trigram) |
| PPS | Post Postscriptum - Precise/Precision Positioning Service (GPS) - PolyPhenylene Sulfide |
| UPDM | Uganda People?s Democratic Movement - Unified Modeling Language Profile For DoDAF And MoDAF - Unit? De Psychiatrie Du D?veloppement Mental - Universal Pattern Decomposition Method - Unix Power Device Management - Unpressurized Docking Mast - Urban Planni |
| EF | Exafarad |
| RUSI | Royal United Services Institute For Defence Studies |