| Abbreviation | Definition |
|---|---|
| ICNIA | Integrated Communications, Navigation, and Identification Avionics |
| ICOD | Intelligence Cutoff Date |
| ICODES | Integrated Computerized Deployment System |
| ICOE | In Case Of Emergency |
| ICOFT | Institutional Conduct of Fire Trainer |
| ICOM | Inputs, Controls, Outputs, and Mechanisms |
| ICON | Imagery Communications and Operations Node |
| ICON | Intermediate Coordination Node |
| ICP | Incident Command Post |
| ICP | Installation Control Point |
| ICP | Interface Change Proposal |
| ICP | Interim Change Package |
| ICP | Internal Communications Processor |
| ICP | Intertheater COMSEC (COMmunications SECurity) Package |
| ICP | Inventory Control Point |
| ICPC | Intelligence Community Principals Committee |
| ICQ | Individual Quick Frozen |
| ICR | Intelligence Collection Request |
| ICR | Intelligence Collection Requirement |
| ICR | Intelligence Collection Requirements |