English abbreviations from usaa to usacidc
- USAA (United States Army Aviation)
- USAABNSOTB (United States Army Airborne and Special Operations Test Board)
- USAAC (United States Army Air Corps)
- USAADAC (U.S. Army Air Defense Artillery Center, Fort Bliss, Texas)
- USAADASCH (United States Army Air Defense Artillery School)
- USAADBD (United States Army Air Defense Board)
- USAADS (U.S. Army Air Defense School)
- USAAF (United States Army Air Forces)
- USAARENDB (United States Army Armor and Engineer Board)
- USAARL (United States Army Aeromedical Research Laboratory)
- USAARMC (U.S. Army ARMor Center, Fort Knox, Kentucky)
- USAARMS (U.S. Army Armor School)
- USAAS (United States Army Air Space)
- USAAVNBD (United States Army Aviation Board)
- USAAVNC (U.S. Army AViatioN Center, Fort Rucker, Alabama)
- USAAVNS (U.S. Army Aviation School)
- USAB (United States Army Band)
- USABA (United States Association of Blind Athletes)
- USABDA (United States Amateur Ballroom Dancers Association)
- USAC (United States Auto Club)
- USACAC (United States Army Combined Arms Command)
- USACASCOM (United States Army Combined Arms Support Command)
- USACC (United States Army Communications Command)
- USACCA (United States Army Concepts Analysis Agency)
- USACCSA (United States Army Command and Control Support Agency)
- USACE (United States Army Corps of Engineers)
- USACEBD (United States Army Communications- Electronics Board)
- USACECOM (United States Army Communications- Electronics Command)
- USACEEIA (United States Army Communications- Electronics Engineering Installation Agency)
- USACF (United States of America Chess Federation)
- USACFSC (United States Army Community and Family Support Center)
- USACGSC (United States Army Command and General Staff College)
- USACHPPM (U.S. Army Center for Health Promotion and Preventive Medicine)
- USACIDC (United States Army Criminal Investigation Command)