1) Компьютерная техника: Direct Analog Storage Technology
2) Военный термин: Director of Army Supply and Transport, Division for Advanced Systems Technology, design, architecture, software and testing, direct air support team, disaster area survey team, drone for aerodynamic and structural testing
3) Техника: Division for Advanced System Technology
4) Сокращение: Drones for Aerodynamic & Structural Testing
Универсальный англо-русский словарь. Академик.ру. 2011.