| Acronym | Meaning |
 | NNSA | U.S. National Nuclear Security Administration |
| PTA | Parent-Teacher Association |
| NAN | Not A Number (computing) |
| IDR | Indonesian Rupiah (ISO 4217 Currency Code) |
| ENY | Enemy |
| SOUTHCOM | (U.S.) Southern Command |
| UCLA | University Of California |
| MCTIS | Mounted Co-operative Target Identification System |
| OPA | Other Procurement |
| TOMS | Total Ozone Mapping Spectrometer (satellite Instrument) |
Browse by Letter:
