| Acronym | Meaning |
 | TDL | Tactical Data Link |
| PDF | Panama[nian] Defense Forces (abolished 1990) - Portable Document Format - Principal Direction Of Fire |
| BNSF | Burlington Northern Santa Fe |
| BN | Brunei (ISO 3166 Digram; FIPS 10-4 Country Code) |
| ADAP | AIDS Drug Assistance Program |
| SB | Solomon Islands (ISO 3166 Digram) |
| GINO | Godzilla In Name Only |
| SDO | Scattered Disc Object |
| ACLS | Alternate Crops And Systems Lab |
| ICBM | Intercontinental Ballistic Missile |
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