| AAW | 対空戦 (Anti Air Warfare) |
| ABC | 原子、生物及び化学 (Atomic, Biological and Chemical) (cf. ABC weapon) |
| ACAS | 航空機衝突回避システム (Aircraft Collision Avoidance System) |
| ADW | 生物・化学剤破壊兵器 (Agent Defeat Weapon) |
| AE | 強襲部隊 (Assault Echelon) |
| AFK | 席を離れる (Away From Keyboard) |
| AI | 人口知能 (Artificial Intelligence) |
| ASAP | できるだけ早く (As Soon As Possible) |
| AR | 適宜 (As Required) |
| ASL | 年齢・性別・所在地 (Age, Sex, Location) |
| EEZ | 排他的経済水域 (Exclusive Economic Zone) |
| MECE | モレなくダブりなく (Mutually Exclusive and Collectively Exhaustive) |
| OGIM | 憂鬱な月曜日 (Oh God It's Monday) |
| OTOH | 他方では (On The Other Hand) |
| RIP | 安らかに (Rest In Peace) |
| TBD | 未決定 (To Be Determined) |
| TGIF | 花金だ! (Thanks God Its Friday) |
| FAQ | よくある質問 (Frequently Asked Questions) |
| HAND | それではまた (Have A Nice Day) |
| RTB | 基地への帰還 (Return To Base) |
| YAGNI | 機能は実際に必要となるまでは追加しないのがよい (You Ain't Gonna Need It.) |