| IA (Information Assurance) |
| 정보보증 | |
| |
| IAC (Information Analysis Center) |
| 정보분석실 | |
| |
| IAC (International Armaments Cooperation) |
| 국제무기협력 | |
| |
| IADS (Integrated Air Defense System) |
| 통합 방공체계 | |
| |
| IAEA (International Atomic Energy Agency) |
| 국제원자력기구 | |
| |
| IAF (Initial Approach Fix) |
| 초기 접근지점 | |
| |
| IAO (Inter-Army Order) |
| 육군내부명령 | |
| |
| IAP (Initial Approach Procedure) |
| 초기 접근절차 | |
| |
| IAS (Imagery Analysis System) |
| 영상정보 분석체계 | |
| |
| IAS (Indicated Air Speed) |
|
계기속도
| IAS (Intelligence Analysis System) |
| 정보분석체계 | |
| |
| IAT (Indicated Air Temperature) |
| 계기온도 | |
| |
| IAT (Intelligence Augmentation Team) |
| 정보증원반 | |
| |
| IATA (International Aviation Transportation Association) |
| 국제항공수송협회 | |
| |
| IATCS (International Air Traffic Communi- cation Station) |
| 국제항공교통통신소 | |
| |
| IAW (In Accordance With) |
| …에 의거 | | | |
