| Acronym | Meaning |
| HCCI | Homogeneous Charge Compression Ignition |
| PS | Palestine (ISO 3166 Digram) -Personnel Services -petasiemens -post Scriptum (Latin |
| ASIO | Australian Security Intelligence Organisation -Audio Stream Input Output |
| FIBUA | Fighting In Built-Up Areas |
| RNPS | Radio Network Planning System |
| DMOS | Double Diffused MOS Transistor (dee-moss) |
| EAFUS | Everything Added To Food In The United States (FDA List) |
| SPACECOM | (U.S.) Space Command |
| GPG | GNU Privacy Guard |
| PKMS | Pulemet Kalashnikova Modernizirovanniy Stepanova (Russian ???? ??????? ??????????? ????????????????? ????????? |