IA (Imagery Analyst) 영상분석관 IA (Intelligence Agencies) 정보기관 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
