Automated Remote Tracking Station 
Automated Radar Terminal System 
Automated Resource Tracking System 
Asynchronous Remote Takeover Server 
Automated Radar Terminal Systems 
ADAPTIVE RESTRAINT TECHNOLOGY SYSTEM 
Advanced RID Tracking System 
Automated Requirements Traceability Sy… 
Accelerated Ray-Tracing System 
acoustic reflex thresholds 
ADP-ribosyltransferases 
Advanced Radar Targeting System 
Advanced Radar Terminal System 
Advanced Radar Traffic System 
Advanced Radio Telephone Service 
Advanced Reusable Transportation Syste… 
ADVANCED RURAL TRANSPORTATION SYSTEM 
AIN Response Translation Simplificatio… 
Air Reserve Technicians 
All-purpose Remote Transport System 
Amador Regional Transit System 
American Radio Telephone System 
Annual Records of Tropical Systems 
anticipatory reactor trip system 
antiretroviral therapies 
Army Research Task Summary 
Army Reserve Training Salaries 
Army Training Study 
ARSnet Router Traffic Statistics 
arterial revascularization therapies s…