| Acronym | Meaning |
| AVDLR | Aviation Depot Level Repair |
| LP | Linkin Park - Linkup Point - Listening Post - Long Playing Record ? Louisiana Pacific (cf. LP Field) |
| DSP | Defense Standardization Program - Defense Support Program - Digital Signal Processing |
| HALO | High Altitude Low Opening (parachute Jump) |
| KGB | Komitet Gosudarstvennoy Bezopasnosti (Russian Committee For State Security) (1954-1991) |
| J | TENS -Joint-Tactical Exploitation Of National Capabilities |
| BBB | Better Business Bureau - Blood-Brain Barrier |
| FAAN | Fellow Of The American Academy Of Nursing |
| OB | Obedience - Obligation - Obligatory - Obsolete - Obstetrics -Ocean Beach (California) - Off Break (cricket) - Old Bryanstonian - Order Of Battle - Outlet Box (electrical) -Overbought (stock Market) -Oversight Board |
| OCD | Obsessive-Compulsive Disorder |