| MILNET | Military Network, USA |
| MI | Military Intelligence |
| MP | Military Police[man] |
| MAC | Military Air Command |
| PMF | Privatized military firms Private Kriegsdienstleister |
| MI5 | Military Intelligence, Section Five britischer Inlandsgeheimdienst, http://www.mi5.gov.uk |
| UMT | Universal Military Training |
| MOA | Military Operations Area |
| MOG | Military Operations on the Ground |
| MI6 | Military Intelligence, Section Six britischer Auslandsgeheimdienst, http://www.mi6.gov.uk |
| EUFOR-Althea | EU Military Operation in Bosnia and Herzegovina |
| MARS | Military Affiliate Radio System |
| NMCC | National Military Command Center |
| OMGUS | Office of Military Government for Germany |
| MOS | Military Occupational Speciality [engl.] |
| UCMJ | Uniform Code of Military Justice |
| AMC | Airbus Military Company [engl.] Tochterunternehmen der EADS |
| AMG | American Military Government [engl.] |
| SDDC | [Military] Surface Deployment and Distribution Command Bajonne, [NJ], http://www.sddc.army.mil/Public/Home |
| R/C | Red Cross |
| JRC | Junior Red Cross |
| NEXT | Near End Cross Talk |
| XP | Cross Point |
| ECP | Excessive Cross-Posting |
| ARC | American Red Cross [engl.] |
| XPFE | Cross Platform Front End |
| XREF | Cross Reference List |
| DCS | Differential Cross Section |
| CMF | Cross flow MicroFiltration |
| RJCP | Refocused J Cross-Polarization |
| ICS | Integral Cross Section |
| FCG | False Cross or Ground |
| CSP | Cross System Product |
| CRF | Cross Reference File |
| XSS | Cross-Site Scripting |
| DFC | Distinguished Flying Cross |
| DSX | Digital Cross Connect |
| DXC | Digital Cross Connect |
| CREF | Cross Reference [engl.] |
| BRC | British Red Cross [engl.] Britisches Rotes Kreuz |
| SDCS | Single Differential Cross Section |
| MDI-X | Medium Dependent Interface Cross-over |
| CBL | Cross Border Leasing [engl.] Leasinggeschäfte mit ausländischen Unternehmen |
| CFT | Cross File Transfer [engl.] |
| brcs | British Red Cross Society [engl.] |
| CIRSC | Cross Interleave Solomon Code |
| CLEF | Cross-Language Evaluation Forum |
| AX | Automatic cross connection [engl.] X = cross |
| DDCS | Double Differential Cross Section |
| SDXC | Synchronous Digital Cross Connect |