| Acronym | Meaning |
| PB | Lead (Latin Plumbum) |
| MH | Marshall Islands (postal Symbol; ISO 3166 Digram) - Megahenry - Montserrat (FIPS 10-4 Territory Code) |
| ZMK | Zambian Kwacha (ISO 4217 Currency Code) |
| APOE | Aerial Port (Airport) Of Embarkation |
| ASL | Above Sea Level - American Sign Language (also Known As Ameslan) - Age |
| LAX | Los Angeles International Airport |
| PAK | Pakistan (ISO 3166 Trigram) |
| DMS | U.S. Defense Message System |
| IMU | International Mathematical Union |
| USDRE | (U.S.) Under-Secretary Of Defense For Research And Engineering (1978?1986) |