| Acronym | Meaning |
| AST | Atlantic Standard Time (UTC-4 Hours) |
| EAST | Experimental Advanced Superconducting Tokamak |
| KSC | Kennedy Space Center |
| PHP | Philippine Peso (ISO 4217 Currency Code) -PHP: Hypertext Preprocessor (originally Personal Home Page (Tools)) |
| F | Femto |
| MOND | Modified Newtonian Dynamics |
| AFRRI | (U.S.) Armed Forces Radiobiology Research Institute |
| JN | Jan Mayen Island (FIPS 10-4 Territory Code) |
| JVM | Java Virtual Machine |
| CIAO | Critical Infrastructure Assurance Office - Component-Integrated ACE ORB |