| Acronym | Meaning |
| PNF | Pilot Not Flying (aviation) |
| DE | German Language (ISO 639-1 Code) |
| CEPT | Conf?rence Europ?enne Des Administrations Des Postes Et Des T?l?communications (French |
| DH | Dear Husband (increasingly Prevalent On Social Mailing Lists |
| SVD | Singular Value Decomposition - Snaiperskaya Vintovka Dragunova (??????????? ???????? ????????? |
| TOGS | Thermal Observation Gunnery Sight |
| GI | Gibi |
| IRM | Illinois Railway Museum - Inzhenernaya Razvedyvatelnaya Mashina (Russian ?????????? ???????????????? ?????? |
| ISEF | Intel International Science And Engineering Fair |
| ICS | In-Country Support - Intelligence And Communications Systems - Interim Contractor Support |