Defense Message System 
Defense Messaging System 
Data Management System 
Document Management System 
Docket Management System 
Digital Multiplexing System 
Digital Multiplex System 
Defense Mapping School 
Department of Management Services 
Dynamic Message Sign 
Data Management Subsystem 
Destroyer Minesweeper 
Diminishing Manufacturing Sources 
Docking Module Subsystem 
Dynamic Motion Simulator 
Data Multiplexing System 
Debt Management Services 
Defense Materials System 
Defense Messaging Service 
Differential Maneuvering Simulator 
Digital Map System 
Diminishing Manufacturing Source 
Docking Mechanism System 
dynamic mechanical spectroscopy 
Data Management Simulator 
Data Management Software 
Data Multiplex System 
Defense Marketing Services 
Defense Message Service 
defense meteorological system