Data Acquisition System Data Assimilation System Directory Assistance System Dual Attachment Station Direct Attached Storage Directory Assistance Service Data Acquisition Subsystem Data Analysis System Decimal Adjust for Subtraction Defensive Aids Suites Department of Administrative Services Defense Attache System Demand Access System Direct Air Support Director of the Army Staff Dual Attached Station Data Archive System data-assimilation system Date Arrived Station Deep Air Support Delivered Alongside Ship dendrite arm spacing Designated Alteration Station Digital Avionics System Distributor And Scanner Documentation Accountability Sheet double antibody sandwich dynamic angle spinning Data Acquisition Segment Data Acquisition Systems